阅读说明：本技术 一种显示面板和显示装置 (Display panel and display device ) 是由 梁翠翠 于 2019-09-26 设计创作，主要内容包括：本发明实施例提供的一种显示面板和显示装置,包括：基板,基板发出指定波段的光；发光层,发光层设置在所述基板上,包括第一透明薄膜层；第一透明薄膜包括层叠设置的第一配向膜和第一宾主液晶；彩膜层,彩膜层设置在发光层远离所述基板一面,第二透明薄膜层,第二透明薄膜层包括层叠设置的第二配向膜和第二宾主液晶；第二宾主液晶的长轴方向与第一宾主液晶的长轴方向垂直；第一宾主液晶与第二宾主液晶用于相互配合吸收基板发出的指定波段的光。本发明实施例通过在显示面板的不同层填充相互垂直的宾主液晶,使宾主液晶吸收基板发出的指定波段的光,避免显示面板呈现指定波段的光,影响显示效果。(An embodiment of the present invention provides a display panel and a display device, including: a substrate emitting light of a designated wavelength band; the light emitting layer is arranged on the substrate and comprises a first transparent thin film layer; the first transparent film comprises a first alignment film and a first guest-host liquid crystal which are arranged in a laminated manner; the color film layer is arranged on the side, far away from the substrate, of the light emitting layer, and the second transparent film layer comprises a second alignment film and a second guest-host liquid crystal which are arranged in a stacked mode; the long axis direction of the second guest-host liquid crystal is vertical to the long axis direction of the first guest-host liquid crystal; the first guest-host liquid crystal and the second guest-host liquid crystal are used for mutually matching and absorbing light of a specified waveband emitted by the substrate. According to the embodiment of the invention, the guest-host liquid crystals which are vertical to each other are filled in different layers of the display panel, so that the guest-host liquid crystals absorb the light of the specified wave band emitted by the substrate, and the display panel is prevented from displaying the light of the specified wave band to influence the display effect.)

1. A display panel, comprising:

a substrate emitting light of a specified wavelength band;

a light emitting layer disposed on the substrate, including a first transparent thin film layer; the first transparent film comprises a first alignment film and a first guest-host liquid crystal which are stacked;

the color film layer is arranged on one surface, far away from the substrate, of the light-emitting layer and comprises a second transparent film layer, and the second transparent film layer comprises a second alignment film and a second guest-host liquid crystal which are arranged in a stacked mode; a long axis direction of the second guest-host liquid crystal is perpendicular to a long axis direction of the first guest-host liquid crystal; the first guest-host liquid crystal and the second guest-host liquid crystal are used for mutually matching and absorbing light of a specified waveband emitted by the substrate.

2. The display panel according to claim 1, wherein the light-emitting layer comprises: the device comprises a transparent area, a metal wiring area and a pixel area; the color film layer comprises: the color filter comprises a transparent area, a black matrix area and a color resistance area;

the transparent area of the luminous layer corresponds to the transparent area of the color film layer; the metal wiring area corresponds to the black matrix area in position; the position of the pixel area corresponds to the position of the color resistance area.

3. The display panel according to claim 1, wherein the first transparent thin film layer is a flat layer covering the substrate; an organic light emitting layer and a pixel defining layer are formed on the first transparent thin film layer.

4. The display panel according to claim 1, wherein the first transparent thin film layer is a pixel defining layer; a flat layer is formed between the pixel defining layer and the substrate.

5. The display panel according to claim 4, wherein the planarization layer comprises a third alignment film and a third guest-host liquid crystal layer which are stacked; the third guest-host liquid crystal is parallel to the liquid crystal long axis direction of the second guest-host liquid crystal.

6. The display panel according to claim 3, wherein the flat layer is formed by laminating two layers of the first transparent film.

7. The display panel of claim 1, wherein the first guest-host liquid crystal and the second guest-host liquid crystal are each made of: a mixture of liquid crystals and dichroic dyes.

8. The display panel of claim 7 wherein the dichroic dye absorbs light having a wavelength of 565nm to 580 nm.

9. The display panel of claim 7 wherein the dichroic dye has a solubility in the liquid crystal of greater than 99.5%.

10. The display panel of claim 2, wherein the thickness of the color film layer is 2 μm to 5 μm.

11. A display device characterized by comprising the display panel according to any one of claims 1 to 10.

Technical Field

The invention relates to the technical field of display, in particular to a display panel and a display device.

Background

At present, materials generally used for flexible substrates of LTPS (low temperature poly-silicon technology) flexible transparent displays emit yellow light, and for example, a high temperature resistant polyimide material is generally used as a substrate material, wherein the transmittance of polyimide in 380nm to 480nm is lower than 80%, and the polyimide absorbs light in a blue wavelength band, so that the high temperature resistant polyimide emits yellow light.

The yellow polyimide substrate can make the whole display panel appear yellow when displaying a picture, and the display effect of the display panel is affected.

Disclosure of Invention

The invention provides a display panel, which aims to solve the problem that the existing display panel shows yellow when displaying a picture.

One aspect of the present invention provides a display panel including: a substrate emitting light of a specified wavelength band;

a light emitting layer disposed on the substrate, including a first transparent thin film layer; the first transparent film comprises a first alignment film and a first guest-host liquid crystal which are stacked;

the color film layer is arranged on the side, far away from the substrate, of the light emitting layer and comprises a second transparent film layer, and the second transparent film layer comprises a second alignment film and a second guest-host liquid crystal which are arranged in a stacked mode; a long axis direction of the second guest-host liquid crystal is perpendicular to a long axis direction of the first guest-host liquid crystal; the first guest-host liquid crystal and the second guest-host liquid crystal are used for mutually matching and absorbing light of a specified waveband emitted by the substrate.

Optionally, the light emitting layer includes: the device comprises a transparent area, a metal wiring area and a pixel area; the color film layer comprises: the color filter comprises a transparent area, a black matrix area and a color resistance area;

the transparent area of the luminous layer corresponds to the transparent area of the color film layer; the metal wiring area corresponds to the black matrix area in position; the position of the pixel area corresponds to the position of the color resistance area.

Optionally, the first transparent thin film layer is a flat layer covering the substrate; an organic light emitting layer and a pixel defining layer are formed on the first transparent thin film layer.

Optionally, the first transparent thin film layer is a pixel defining layer; a flat layer is formed between the pixel defining layer and the substrate.

Optionally, the planarization layer includes a third alignment film and a third guest-host liquid crystal that are stacked; the third guest-host liquid crystal is parallel to the liquid crystal long axis direction of the second guest-host liquid crystal.

Optionally, the flat layer is formed by laminating two first transparent film layers.

Optionally, the first guest-host liquid crystal and the second guest-host liquid crystal are made of: a mixture of liquid crystals and dichroic dyes.

Optionally, the dichroic dye absorbs light having a wavelength of 565nm to 580 nm.

Optionally, the dichroic dye has a solubility in the liquid crystal of greater than 99.5%.

Optionally, the thickness of the color film layer is 2 μm to 5 μm.

Another aspect of the present invention provides a display device including the display panel as described in any one of the above.

An embodiment of the present invention provides a display panel, including: a substrate emitting light of a specified wavelength band; a light emitting layer disposed on the substrate, including a first transparent thin film layer; the first transparent film comprises a first alignment film and a first guest-host liquid crystal which are stacked; the color film layer is arranged on the side, far away from the substrate, of the light emitting layer and comprises a second transparent film layer, and the second transparent film layer comprises a second alignment film and a second guest-host liquid crystal which are arranged in a stacked mode; a long axis direction of the second guest-host liquid crystal is perpendicular to a long axis direction of the first guest-host liquid crystal; the first guest-host liquid crystal and the second guest-host liquid crystal are used for mutually matching and absorbing light of a specified waveband emitted by the substrate. According to the embodiment of the invention, the guest-host liquid crystals which are vertical to each other are filled in different layers of the display panel, so that the guest-host liquid crystals absorb the light of the specified wave band emitted by the substrate, and the display panel is prevented from displaying the light of the specified wave band to influence the display effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a first thin film layer according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a second thin film layer according to an embodiment of the present invention;

FIG. 4 is a schematic illustration of the cooperation of a first film layer and a second film layer provided by embodiments of the present invention;

fig. 5 is a schematic top view of a light emitting layer according to an embodiment of the present invention;

fig. 6 is a schematic top-view structure diagram of a color film according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. 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 invention.