阅读说明：本技术 显示模组及显示装置 (Display module and display device ) 是由 张健 郑财 赵婷婷 范利涛 禹映雪 周锦钊 辛秦 于 2019-12-16 设计创作，主要内容包括：一种显示模组(100)和显示装置(1000)。显示模组(100)包括：液晶模组(20)、盖板(10)以及纹路识别单元。纹路识别单元包括第一光源(41)和纹路传感模组(42)。第一光源(41)位于盖板(10)的靠近液晶模组(20)的一侧,且被配置为发射不可见光。纹路传感模组(42)位于液晶模组(20)的背离盖板(10)的一侧。盖板(10)和液晶模组(20)允许透过的光线波长范围包括不可见光的光线波长范围。纹路传感模组(42)被配置为采集不可见光照射至目标物(01)后的反射光,以识别所述目标物(01)的纹路。(A display module (100) and a display device (1000) are provided. The display module (100) comprises: liquid crystal module (20), apron (10) and line recognition unit. The grain identification unit comprises a first light source (41) and a grain sensing module (42). The first light source (41) is located on one side of the cover plate (10) close to the liquid crystal module (20) and is configured to emit invisible light. The texture sensing module (42) is positioned on one side of the liquid crystal module (20) which is far away from the cover plate (10). The wavelength range of light which the cover plate (10) and the liquid crystal module (20) allow to transmit comprises the wavelength range of light of invisible light. The texture sensing module (42) is configured to collect reflected light after the invisible light irradiates on a target object (01) so as to identify the texture of the target object (01).)

A display module, comprising: the liquid crystal display device comprises a liquid crystal module, a cover plate and a line identification unit;

the grain recognition unit includes:

the first light source is positioned on one side of the cover plate close to the liquid crystal module and is configured to emit invisible light;

the line sensing module is positioned on one side of the liquid crystal module, which is far away from the cover plate;

the wavelength range of light which is allowed to pass through by the cover plate and the liquid crystal module comprises the wavelength range of light of the invisible light;

the line sensing module is configured to collect reflected light after the invisible light irradiates to a target object so as to identify the line of the target object.

The display module of claim 1, further comprising: a side-in type backlight module;

the side-in backlight module comprises:

the light guide plate is positioned on one side of the liquid crystal module, which is far away from the cover plate;

a second light source located at a side of the light guide plate and configured to emit visible light;

at least one layer of optical film, which is positioned on one side of the light guide plate close to the liquid crystal module and allows the transmitted light wavelength range to comprise the light wavelength range of the invisible light and the light wavelength range of the visible light;

the reflecting sheet is positioned on one side of the light guide plate, which is far away from the liquid crystal module, and is configured to reflect the visible light and transmit the invisible light;

the line sensing module is located on one side, deviating from the light guide plate, of the reflection sheet.

The display module of claim 2, wherein the liquid crystal module has a display area;

the orthographic projections of the first light source and the second light source on the cover plate are positioned outside the same side boundary of the orthographic projection of the display area on the cover plate along the direction parallel to the cover plate.

The display module of claim 2, wherein the side-entry backlight module further comprises:

the back plate is positioned on one side of the reflection sheet close to the texture sensing module;

the part of the back plate opposite to the grain sensing module is provided with an opening, and the opening allows the reflected light after the invisible light irradiates the target object to pass through and irradiate the grain sensing module.

The display module of claim 4, wherein the liquid crystal module has a display area;

the orthographic projection of the opening on the cover plate is positioned in the orthographic projection of the display area on the cover plate.

The display module according to any one of claims 1 to 5, wherein the liquid crystal module comprises a flip-chip film;

the first light source is arranged on the surface of the chip on film close to the cover plate and is electrically connected with the chip on film.

The display module of claim 6, further comprising a printed circuit board;

the printed circuit board is positioned on one side of the liquid crystal module, which is far away from the cover plate, and is electrically connected with the chip on film.

The display module according to any one of claims 1 to 5, further comprising a package frame hermetically connected to the cover plate; the packaging frame comprises a containing groove;

the liquid crystal module and the line identification unit are respectively positioned in the accommodating groove; the line sensing module is arranged on the bottom surface of the accommodating groove, and the first light source is arranged on the inner side surface of the accommodating groove.

The display module according to claim 8, wherein a light emitting surface of the first light source intersects with a surface of the cover plate close to the liquid crystal module.

The display module according to claim 9, wherein the receiving groove is configured such that an included angle is formed between an inner side surface of the first light source and a bottom surface of the receiving groove, and the included angle is an obtuse angle.

The display module according to claim 9, wherein the light emitting surface of the first light source is perpendicular or substantially perpendicular to the surface of the cover plate close to the liquid crystal module.

The display module according to claim 8, wherein an inner side surface of the receiving groove configured to provide the first light source is a step surface;

the first light source is located on a plane of the step surface, which is parallel to the bottom surface of the groove, and a light-emitting surface of the first light source is parallel to the surface of the cover plate, which is close to the liquid crystal module.

The display module according to any one of claims 1 to 5, wherein the first light source is glued to the surface of the cover plate close to the liquid crystal module.

The display module according to any one of claims 8 to 13, wherein the first light source comprises:

a flexible circuit board carrier;

at least one invisible light lamp is arranged on the flexible circuit board carrier and is electrically connected with the flexible circuit board carrier.

The display module of claim 14, further comprising a printed circuit board;

the printed circuit board is located on one side of the liquid crystal module, which is far away from the cover plate, and is electrically connected with the grain sensing module.

A display device comprising the display module according to any one of claims 1 to 15.