阅读说明：本技术 液晶显示装置 (Liquid crystal display device having a plurality of pixel electrodes ) 是由 余朋飞 于 2021-08-16 设计创作，主要内容包括：本申请提供一种液晶显示装置；该液晶显示装置通过将第一定位孔设置为连接孔和设置于连接孔的至少一侧的卡口,并使卡口的宽度小于固定构件的直径,则可以在第一定位孔和第二定位孔未对准时,由于固定构件的直径大于卡口的宽度,使得卡口将固定构件卡向连接孔,使固定构件带动印刷电路板移动,使第一定位孔和连接孔对位准确,从而使得固定构件能够准确的穿过第一定位孔和连接孔,避免出现滑丝现象,避免了液晶显示面板出现失效。(The present application provides a liquid crystal display device; this liquid crystal display device sets up to the connecting hole and sets up in the bayonet socket of at least one side of connecting hole through with first locating hole, and make the width of bayonet socket be less than fixed component's diameter, then can be when first locating hole and second locating hole are not aimed at, because fixed component's diameter is greater than the width of bayonet socket, make the bayonet socket with fixed component card to the connecting hole, make fixed component drive printed circuit board and remove, make first locating hole and connecting hole counterpoint the accuracy, thereby make first locating hole of passing and connecting hole that fixed component can be accurate, avoid appearing smooth silk phenomenon, the liquid crystal display panel has been avoided appearing inefficacy.)

1. A liquid crystal display device, comprising:

a liquid crystal display panel;

the backlight module is arranged on one side of the liquid crystal display panel and comprises a backlight plate, and a first positioning hole is formed in the backlight plate;

the printed circuit board is arranged on one side of the backlight module, which is far away from the liquid crystal display panel, and comprises a second positioning hole, and the second positioning hole is arranged corresponding to the first positioning hole;

a flexible circuit board connected with the liquid crystal display panel and the printed circuit board;

the liquid crystal display device further comprises a fixing component, the fixing component penetrates through the first positioning hole and the second positioning hole to be connected with the backlight board and the printed circuit board, the first positioning hole comprises a connecting hole and a bayonet arranged on at least one side of the connecting hole, and the width of the bayonet is smaller than the diameter of the fixing component.

2. The liquid crystal display device of claim 1, wherein a width of the bayonet decreases in a direction away from a center of the first positioning hole, and a maximum width of the bayonet is smaller than a diameter of the fixing member.

3. The liquid crystal display device of claim 2, wherein the diameter of the fixing member increases in a direction in which the second positioning hole is away from the first positioning hole, and the maximum width of the bayonet is smaller than the minimum diameter of the fixing member.

4. The liquid crystal display device of claim 3, wherein the bayonets include a first bayonet, a second bayonet, a third bayonet and a fourth bayonet located around the connection hole, the first bayonet, the second bayonet, the third bayonet and the fourth bayonet are the same in shape, and the first bayonet, the second bayonet, the third bayonet and the fourth bayonet are connected in sequence.

5. The liquid crystal display device of claim 4, wherein a cross-sectional shape of the first positioning hole includes at least one of a four-mango star, a five-mango star, and a six-mango star.

6. The liquid crystal display device according to claim 4, wherein an adhesive material is provided in the bayonet, and the adhesive material connects the backlight plate and the fixing member.

7. The liquid crystal display device according to claim 3, wherein a diameter of the second positioning hole is larger than or equal to a diameter of the connection hole.

8. The liquid crystal display device of claim 2, wherein the fixing member includes a first portion contacting the first positioning hole, a second portion contacting the second positioning hole, and a diameter of the first portion is larger than a maximum width of the bayonet.

9. The liquid crystal display device according to claim 2, wherein a diameter of the fixing member is constant in a direction in which the second positioning hole is away from the first positioning hole.

10. The liquid crystal display device of claim 1, wherein a width of the bayonet is constant in a direction away from a center of the first positioning hole, and the width of the bayonet is smaller than a minimum diameter of the fixing member.

Technical Field

The application relates to the technical field of display, in particular to a liquid crystal display device.

Background

In order to improve power supply capability of an existing liquid crystal display device, an electronic component is arranged on a printed circuit board, so that an input signal of a liquid crystal display panel is processed and then input into an IC through a flexible circuit board, and signal processing and power supply of the liquid crystal display panel are achieved. In printed circuit board's production and use, in order to avoid printed circuit board to rock and lead to flexible circuit board to bind the inefficacy, can set up left and right hangers on the backplate, set up the locating hole on the hangers to set up corresponding locating hole on printed circuit board, adopt the mode of screw fixation to fix printed circuit board and board in a poor light, thereby avoid printed circuit board to rock.

However, when the existing printed circuit board and backlight plate are fixed, due to the fact that certain tolerance exists in the assembling process of the liquid crystal display panel and the backlight module and the binding process of the printed circuit board, locating holes in the printed circuit board and the backlight plate cannot correspond to each other, when the printed circuit board and the backlight plate are fixed through screws, the phenomenon of thread slipping can occur, the printed circuit board and the backlight plate cannot be effectively fixed, the printed circuit board can shake, and the liquid crystal display device is caused to fail.

Therefore, the existing liquid crystal display device has the technical problem that the liquid crystal display device fails due to the fact that the printed circuit board and the positioning hole in the backlight plate cannot be accurately aligned.

Disclosure of Invention

The embodiment of the application provides a liquid crystal display device, which is used for solving the technical problem that the liquid crystal display device fails due to the fact that positioning holes in a printed circuit board and a backlight plate of an existing liquid crystal display device cannot be aligned accurately.

An embodiment of the present application provides a liquid crystal display device, including:

a liquid crystal display panel;

the backlight module is arranged on one side of the liquid crystal display panel and comprises a backlight plate, and a first positioning hole is formed in the backlight plate;

the printed circuit board is arranged on one side of the backlight module, which is far away from the liquid crystal display panel, and comprises a second positioning hole, and the second positioning hole is arranged corresponding to the first positioning hole;

a flexible circuit board connected with the liquid crystal display panel and the printed circuit board;

the liquid crystal display device further comprises a fixing component, the fixing component penetrates through the first positioning hole and the second positioning hole to be connected with the backlight board and the printed circuit board, the first positioning hole comprises a connecting hole and a bayonet arranged on at least one side of the connecting hole, and the width of the bayonet is smaller than the diameter of the fixing component.

In some embodiments, a width of the bayonet decreases in a direction away from a center of the first locating hole, and a maximum width of the bayonet is less than a diameter of the fixing member.

In some embodiments, the diameter of the fixing member increases in a direction in which the second positioning hole is away from the first positioning hole, and the maximum width of the bayonet is smaller than the minimum diameter of the fixing member.

In some embodiments, the bayonet comprises a first bayonet, a second bayonet, a third bayonet and a fourth bayonet which are located around the connecting hole, the first bayonet, the second bayonet, the third bayonet and the fourth bayonet are the same in shape, and the first bayonet, the second bayonet, the third bayonet and the fourth bayonet are sequentially connected.

In some embodiments, the first positioning hole has a cross-sectional shape comprising at least one of a four mango star, a five mango star, and a six mango star.

In some embodiments, an adhesive material is disposed within the bayonet, the adhesive material connecting the backlight panel and the securing member.

In some embodiments, the diameter of the second positioning hole is greater than or equal to the diameter of the connecting hole.

In some embodiments, the fixing member comprises a first portion in contact with the first locating hole, a second portion in contact with the second locating hole, the first portion having a diameter greater than a maximum width of the bayonet.

In some embodiments, the diameter of the securing member is constant along the direction of the second locating hole away from the first locating hole.

In some embodiments, a width of the bayonet does not vary in a direction away from a center of the first locating hole, and the width of the bayonet is less than a minimum diameter of the securing member.

Has the advantages that: the present application provides a liquid crystal display device; the liquid crystal display device comprises a liquid crystal display panel, a backlight module, a printed circuit board and a flexible circuit board, wherein the backlight module is arranged on one side of the liquid crystal display panel, the backlight module comprises a backlight plate, a first positioning hole is formed in the backlight plate, the printed circuit board is arranged on one side, far away from the liquid crystal display panel, of the backlight module, the printed circuit board comprises a second positioning hole, the second positioning hole corresponds to the first positioning hole, the flexible circuit board is connected with the liquid crystal display panel and the printed circuit board, the liquid crystal display device further comprises a fixing component, the fixing component penetrates through the first positioning hole and the second positioning hole to connect the backlight plate and the printed circuit board, the first positioning hole comprises a connecting hole and a bayonet arranged on at least one side of the connecting hole, and the width of the bayonet is smaller than the diameter of the fixing component. This application is through setting up first locating hole into the connecting hole and setting up in the bayonet socket of at least one side of connecting hole, and make the width of bayonet socket be less than fixed component's diameter, then can be when first locating hole and second locating hole are not aimed at, because fixed component's diameter is greater than the width of bayonet socket, make the bayonet socket with fixed component card to the connecting hole, make fixed component drive printed circuit board and remove, it is accurate to make first locating hole and connecting hole counterpoint, thereby make passing first locating hole and connecting hole that fixed component can be accurate, avoid appearing smooth silk phenomenon, the liquid crystal display panel has been avoided losing efficacy.

Drawings

The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.

Fig. 1 is a first schematic diagram of a liquid crystal display device according to an embodiment of the present disclosure.

Fig. 2 is a second schematic diagram of a liquid crystal display device according to an embodiment of the present disclosure.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides a liquid crystal display device aiming at the technical problem that the existing liquid crystal display device has failure of the liquid crystal display device caused by the fact that positioning holes in a printed circuit board and a backlight plate cannot be aligned accurately, and the liquid crystal display device is used for solving the problem.

As shown in fig. 1 and fig. 2, an embodiment of the present application provides a liquid crystal display device, including:

a liquid crystal display panel 11;

the backlight module 12 is arranged on one side of the liquid crystal display panel 11, the backlight module 12 comprises a backlight plate 121, and the backlight plate 121 is provided with a first positioning hole 21;

the printed circuit board 13 is disposed on a side of the backlight module 12 away from the liquid crystal display panel 11, and includes a second positioning hole 131, where the second positioning hole 131 is disposed corresponding to the first positioning hole 21;

a flexible circuit board 14 connected to the liquid crystal display panel 11 and the printed circuit board 13;

the liquid crystal display device further includes a fixing member 15, the fixing member 15 passes through the first positioning hole 21 and the second positioning hole 131 to connect the backlight 121 and the printed circuit board 13, the first positioning hole 21 includes a connecting hole 211 and a bayonet 212 disposed on at least one side of the connecting hole 211, and a width of the bayonet 212 is smaller than a diameter of the fixing member 15.

The embodiment of the application provides a liquid crystal display device, this liquid crystal display device is through setting up first locating hole into the connecting hole and setting up in the bayonet socket of at least one side of connecting hole, and make the width of bayonet socket be less than the diameter of fixed component, then can be when first locating hole and second locating hole are misaligned, because the diameter of fixed component is greater than the width of bayonet socket, make the bayonet socket with fixed component card to the connecting hole, make fixed component drive printed circuit board and remove, make first locating hole and connecting hole counterpoint accurate, thereby make passing first locating hole and connecting hole that fixed component can be accurate, avoid appearing smooth silk phenomenon, the liquid crystal display panel has been avoided appearing inefficacy.

In the embodiment of the present application, compared to the same shape of the first positioning hole and the second positioning hole, for example, in the prior art, a circular hole is used as the positioning hole, when the first positioning hole and the second positioning hole are not aligned accurately, a fixing member (e.g., a screw) may move downward, a wire slipping phenomenon may occur, so that the flexible circuit board is bound badly due to shaking of the printed circuit board, and the liquid crystal display device fails.

Specifically, as shown in fig. 2 (a), the backlight panel 121 includes a hanging lug 1211, a first positioning hole 21 is formed in the hanging lug 1211, and the hanging lug is fixed to the backlight panel and provided with the first positioning hole, so that the printed circuit board can be prevented from being worn due to the attachment of the printed circuit board to the backlight panel.

In the connection process of the printed circuit board and the back plate, in order to facilitate the connection between the printed circuit board and the back plate, the fixing member is inserted through the second positioning hole and then through the first positioning hole, which is described in the above connection manner in the embodiments of the present application.

When the width to the bayonet socket is not fixed, can pass the bayonet socket for avoiding fixed component, lead to the problem of smooth silk phenomenon to appear. In one embodiment, as shown in fig. 2, the width of the bayonet 212 decreases in a direction away from the center of the first positioning hole 21, and the maximum width of the bayonet 212 is smaller than the diameter of the fixing member 15. The maximum width of the bayonet is smaller than the diameter of the fixing member, so that the fixing member cannot penetrate through the bayonet when penetrating through the second positioning hole and the fixing member is in contact with the bayonet, the fixing member can drive the printed circuit board to move, the first positioning hole and the second positioning hole are aligned accurately, and the printed circuit board and the backlight module are fixedly connected.

Specifically, as shown in fig. 2 (a), the width of the bayonet 212 decreases in a direction away from the center of the first positioning hole 21, so that the maximum width of the bayonet 212 is smaller than the width of the fixing member, and accurate alignment connection between the first positioning hole and the second positioning hole is achieved.

Specifically, the cross-sectional shape of bayonet socket can be triangle-shaped, thereby make the width of bayonet socket reduce from the direction of keeping away from the center of first locating hole, the shape of bayonet socket still can be for the curve, set up to the curve through the shape with the bayonet socket, thereby can make the width of bayonet socket reduce along the direction of keeping away from the center of first locating hole, thereby when first locating hole and second locating hole do not counterpoint the accuracy, thereby it is accurate to drive printed circuit board through fixed component and remove messenger first locating hole and second locating hole, make the connection of printed circuit board and backlight plate fixed.

When the straight line of the fixed component is not fixed, the problem that the phenomenon of wire sliding is caused because part of the fixed component passes through the bayonet is solved. In one embodiment, as shown in fig. 2, the diameter of the fixing member 15 increases along a direction that the second positioning hole 131 is far away from the first positioning hole 21, and the maximum width of the bayonet 212 is smaller than the minimum diameter of the fixing member 15. Through making the maximum width of bayonet socket be less than fixed component's minimum diameter, then fixed component can't pass the bayonet socket, and fixed component can drive printed circuit board and remove when unable passing the bayonet socket for first locating hole and second locating hole accurate alignment make fixed component fixed connection printed circuit board and backlight, thereby avoid fixed component to pass the bayonet socket and lead to smooth silk phenomenon, make first locating hole and second locating hole accurate alignment.

In one embodiment, the bayonets include bayonets located on both sides of the connecting hole, and the bayonets located on both sides of the connecting hole are arranged oppositely. Set up the bayonet socket through the both sides at the connecting hole, then inaccurate counterpoint in first locating hole and second locating hole, when leading to first locating hole and second locating hole to have the deviation, setting through the bayonet socket of connecting hole both sides, make fixed component can't pass the bayonet socket, fixed component can drive printed circuit board and remove, make first locating hole and second locating hole accurate counterpoint, thereby make printed circuit board and backlight fixed connection, avoid appearing sliding between printed circuit board and the backlight, avoid printed circuit board to slide and drive flexible circuit board and remove, lead to display panel to become invalid.

In an embodiment, the bayonet socket is including being located connecting hole three bayonet socket all around, three bayonet socket divide into the triplex with the connecting hole average, through setting up three bayonet socket, make first locating hole and second locating hole accurate counterpoint, when leading to first locating hole and second locating hole to have the deviation, setting through the bayonet socket of connecting hole both sides, make fixed component can't pass the bayonet socket, fixed component can drive printed circuit board and remove, make first locating hole and second locating hole accurate counterpoint, thereby make printed circuit board and backlight fixed connection, avoid appearing sliding between printed circuit board and the backlight, it drives flexible circuit board and removes to avoid printed circuit board to slide, lead to display panel to become invalid.

In one embodiment, the bayonet comprises a first bayonet, a second bayonet, a third bayonet and a fourth bayonet which are located around the connecting hole, the first bayonet, the second bayonet, the third bayonet and the fourth bayonet are the same in shape, and the first bayonet, the second bayonet, the third bayonet and the fourth bayonet are connected in sequence. Through set up first bayonet socket around the connecting hole, the second bayonet socket, the third bayonet socket, the fourth bayonet socket, when making the deviation of the first locating hole of board in a poor light and second locating hole be in arbitrary direction, because the existence of first bayonet socket, the second bayonet socket, third bayonet socket and fourth bayonet socket, make fixed component can't pass the bayonet socket, fixed component can drive printed circuit board and remove, can make first locating hole, the accurate counterpoint of second locating hole, thereby avoid fixed component smooth silk phenomenon to appear, realize the fixed to printed circuit board.

In one embodiment, the cross-sectional shape of the first positioning hole includes at least one of a four-mango star, a five-mango star and a six-mango star, when the connecting hole and the bayonet are formed, the connecting hole and the bayonet can be integrally formed, and the first positioning hole having the connecting hole and the bayonet is directly formed.

In one embodiment, an adhesive material is disposed in the bayonet, and the adhesive material connects the backlight plate and the fixing member. Through set up bonding material in the bayonet socket for after the fixed component passed first locating hole and second locating hole, through bonding fixed component and board in a poor light, thereby avoid the fixed component to appear rocking, make printed circuit board and board in a poor light be connected more fixedly.

In one embodiment, the adhesive material includes glue, and when the adhesive material is used for bonding the backlight panel and the fixing member, the glue can be added into the bayonet after the fixing member passes through the first positioning hole and the second positioning hole, the glue enters through the bayonet, and the fixing member and the backlight panel are bonded after the glue is cured.

In one embodiment, the diameter of the second positioning hole is larger than or equal to the diameter of the connecting hole. Through the straight line that makes the second locating hole more than or equal to the diameter of connecting hole for when the diameter of fixed component kept away from the direction increase of first locating hole along the second locating hole, can be to fixed component and first locating hole and second locating hole cooperation, and this mode of setting can make fixed component's fixed effect better.

The fixing member can respectively pass through the first positioning hole and the second positioning hole, so that the part of the fixing member passing through the first positioning hole can not pass through the bayonet, and the phenomenon of thread slipping of the fixing member can be avoided. In one embodiment, the fixing member includes a first portion contacting the first positioning hole, a second portion contacting the second positioning hole, and a diameter of the first portion is larger than a maximum width of the bayonet. The diameter of the first part of the fixing component is larger than the maximum width of the bayonet, so that the fixing component cannot pass through the bayonet after passing through the second positioning hole, the phenomenon of thread slipping is avoided, the first positioning hole and the second positioning hole are aligned accurately, and the printed circuit board is fixedly connected with the backlight board.

In one embodiment, the fixing member includes a third portion passing through the first positioning hole, a fourth portion contacting with the first positioning hole, and a fifth portion contacting with the second positioning hole, the third portion has a diameter smaller than the maximum width of the bayonet, and the fourth portion has a diameter larger than the maximum width of the bayonet. The straight line through making the third part is less than the maximum width of bayonet socket, then fixed component when contacting with first locating hole, even fixed component gets into the bayonet socket, because the diameter of fourth part is greater than the maximum width of bayonet socket, fixed component is at rotatory in-process, because decurrent pressure and bayonet socket are to the effort of fixed component, make the bayonet socket extrude fixed component to the connecting hole, and fixed component can drive printed circuit board and remove, make first locating hole and second locating hole accurate counterpoint, thereby improve fixed component's positioning accuracy, make printed circuit board and backlight fixed connection.

In one embodiment, the fixing member comprises a screw, and correspondingly, a thread can be arranged on the printed circuit board to fixedly connect the fixing member with the printed circuit board.

Specifically, as shown in fig. 2 (c), the shape of the fixing member includes a circular truncated cone, but the embodiment of the present application is not limited thereto, and for example, the shape of the fixing member includes a screw shape and a column shape.

In an embodiment, the diameter of the fixing member is not changed along a direction in which the second positioning hole is far away from the first positioning hole, and when the fixing member is disposed, the diameter of the fixing member is also not changed.

In one embodiment, the width of the bayonet is constant in a direction away from the center of the first positioning hole, and the width of the bayonet is smaller than the minimum diameter of the fixing member. Through making the width of bayonet socket unchangeable, and make the width of bayonet socket be less than the minimum diameter of fixed component for fixed component can pass connecting hole and second locating hole fixed connection backlight board and printed circuit board.

Specifically, as shown in fig. 2 (b), the cross-sectional shape of the second positioning hole 131 includes a circle, and the positioning member is conveniently connected to the second positioning hole through the first positioning hole by making the second positioning hole circular, but the embodiment of the present application is not limited thereto, and the second positioning hole may also be a quadrangle.

In an embodiment, as shown in fig. 2 (a), the backlight module 12 further includes a light source 122 and an optical film 123, where the embodiment of the present application is not limited to the type of the backlight module, for example, the backlight module includes a side-entry type backlight module and a linear type backlight module, the optical film includes a diffusion sheet and a reflection sheet, and the backlight module further includes a light guide plate.

In an embodiment, the liquid crystal display panel includes an array substrate, a color film substrate, and a liquid crystal layer disposed between the array substrate and the color film substrate, and when the liquid crystal display panel is disposed, the liquid crystal display panel may include a liquid crystal display panel having an array substrate and a color film substrate.

Specifically, the array substrate comprises a first substrate, a barrier layer arranged on the first substrate, a buffer layer arranged on the barrier layer, an active layer arranged on the buffer layer, a first gate insulating layer arranged on the active layer, a first gate layer arranged on the first gate insulating layer, a second gate insulating layer arranged on the first gate layer, a second gate arranged on the second gate insulating layer, an interlayer insulating layer arranged on the second gate, a source drain layer arranged on the interlayer insulating layer, a planarization layer arranged on the source drain layer, and a pixel electrode layer arranged on the planarization layer.

Specifically, the array substrate comprises a thin film transistor, and the thin film transistor comprises a bottom gate top contact thin film transistor, a bottom gate bottom contact thin film transistor, a top gate top contact thin film transistor and a top gate bottom contact thin film transistor.

Specifically, the thin film transistor includes an oxide thin film transistor and a low temperature polysilicon thin film transistor.

Specifically, the color film substrate comprises a second substrate, a color resistance layer and a black matrix layer which are arranged on the second substrate, and a common electrode layer arranged on the color resistance layer.

In one embodiment, the liquid crystal display panel includes a COA (Color On Array, Color film layer disposed On Array layer) substrate.

According to the above embodiments:

the present application provides a liquid crystal display device; the liquid crystal display device comprises a liquid crystal display panel, a backlight module, a printed circuit board and a flexible circuit board, wherein the backlight module is arranged on one side of the liquid crystal display panel, the backlight module comprises a backlight plate, a first positioning hole is formed in the backlight plate, the printed circuit board is arranged on one side, far away from the liquid crystal display panel, of the backlight module, the printed circuit board comprises a second positioning hole, the second positioning hole corresponds to the first positioning hole, the flexible circuit board is connected with the liquid crystal display panel and the printed circuit board, the liquid crystal display device further comprises a fixing component, the fixing component penetrates through the first positioning hole and the second positioning hole to connect the backlight plate and the printed circuit board, the first positioning hole comprises a connecting hole and a bayonet arranged on at least one side of the connecting hole, and the width of the bayonet is smaller than the diameter of the fixing component. This application is through setting up first locating hole into the connecting hole and setting up in the bayonet socket of at least one side of connecting hole, and make the width of bayonet socket be less than fixed component's diameter, then can be when first locating hole and second locating hole are not aimed at, because fixed component's diameter is greater than the width of bayonet socket, make the bayonet socket with fixed component card to the connecting hole, make fixed component drive printed circuit board and remove, it is accurate to make first locating hole and connecting hole counterpoint, thereby make passing first locating hole and connecting hole that fixed component can be accurate, avoid appearing smooth silk phenomenon, the liquid crystal display panel has been avoided losing efficacy.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The liquid crystal display device provided by the embodiment of the present application is described in detail above, and the principle and the implementation of the present application are explained by applying specific examples herein, and the description of the above embodiment is only used to help understanding the technical solution and the core idea of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.