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Liquid crystal display device

A technology of a liquid crystal display device and a liquid crystal display panel, which is applied in the directions of light guides, optics, instruments, etc., and can solve problems such as the structural thickness of the frame 500, unfavorable liquid crystal display devices, and the overall structural thickness of the liquid crystal display device, so as to achieve reduced thickness, stable structure, The effect of simplifying the structure

Active Publication Date: 2015-07-15
BOE TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The structure of the frame 500 is relatively thick, and the overall structure of the liquid crystal display device is relatively thick, which is not conducive to realizing a light and thin liquid crystal display device
In addition, the backlight source and the liquid crystal display panel 400 are independently designed, and the connection relationship between the two is not stable enough. Once the structure of the frame 500 is deformed or abnormal, the alignment relationship between the backlight source and the liquid crystal display panel 400 will be destroyed.

Method used

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  • Liquid crystal display device
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Embodiment 1: The liquid crystal display panel is placed outside the groove, and the optical film is placed in the groove of the light guide plate.

[0036] see figure 2 , is a schematic top view of a light guide plate 11 with a groove 14. In the embodiment of the present invention, a groove 14 with a certain depth and a certain area is provided on the light guide plate 11, and the groove 14 is used to place an optical film of a backlight source. Reduce the thickness of the backlight source to reduce the overall thickness of the liquid crystal display device.

[0037] image 3 for figure 2 As shown in the cross-sectional view of the light guide plate 11 along the direction A-A', the depth of the groove 14 is h1, and the width of the side wall of the groove is w.

[0038] The liquid crystal display device provided by the embodiment of the present invention will be described in detail below.

[0039] see Figure 4 , the liquid crystal display device provided in Emb...

Embodiment 2

[0050] Embodiment 2: The liquid crystal display panel is placed in the groove, and is directly fixed to the inner side wall of the groove with a U-shaped cross section.

[0051]The liquid crystal display device provided by the second embodiment is similar to the liquid crystal display device shown in the first embodiment, except that the liquid crystal display panel is placed in the groove, and the liquid crystal display panel is fixedly connected to the inner side of the side wall of the groove.

[0052] see image 3 , the width of the sidewall of the groove 14 is w, and the sidewall is perpendicular to the bottom surface of the light guide plate 11 .

[0053] The inner depth of the side wall of the groove is not lower than the total thickness of the optical film layer and the liquid crystal display panel.

[0054] Wherein, the liquid crystal display panel is placed above the optical film in the groove and fixed to the inner side of the side wall. There are many ways to fix...

Embodiment 3

[0064] Embodiment 3: The liquid crystal display panel is placed in the groove, the groove is a stepped groove, including at least two steps, the liquid crystal display panel is placed above the optical film in the groove, and is connected to the side of the groove The steps on the wall are fixedly connected.

[0065] That is to say, the liquid crystal display panel is placed in the groove and fixed to the inner sidewall of the groove whose sidewall has a stepped cross-section.

[0066] see Figure 8 In the liquid crystal display device provided in Embodiment 3, the groove of the light guide plate 11 is a stepped groove, that is to say, the side wall of the groove is stepped, including two steps, and the first step 15 (that is, the top of the groove side wall formed step) and a second step 19 with a set width w1 lower than the first step 15, see Figure 9 The liquid crystal display panel 2 is located on the second step 19 of the light guide plate 11 and is fixedly connected w...

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Abstract

The invention discloses a liquid crystal display device and particularly relates to the liquid crystal display device with the advantages of simple structure, thinner thickness and better stability. The liquid crystal display device provided by the embodiment of the invention comprises a backlight source and a liquid crystal display panel, wherein the backlight source comprises a light guide plate, an optical mebrane and a light source positioned on the light guide plate; a groove is formed in the light guide plate; the bottom surface of the groove is not smaller than a display area of the liquid crystal display panel; and the optical mebrane is positioned on the bottom surface of the groove.

Description

technical field [0001] The invention relates to the technical field of liquid crystal display, in particular to a liquid crystal display device. Background technique [0002] In the field of liquid crystal display technology, a liquid crystal display panel (Liquid Crystal Display, LCD) itself does not emit light, and a backlight source is generally arranged on the back of the LCD to form a liquid crystal display device to realize image display. [0003] Currently, lightness, thinness, and better display quality of liquid crystal display devices have become common goals pursued by major manufacturers. Usually, people achieve a liquid crystal display device with a thinner overall structure by reducing the thickness of the liquid crystal display panel or reducing the thickness of the backlight source. The existing liquid crystal display panel and the backlight source are designed independently of each other, and the liquid crystal display panel and the backlight source are fix...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/1335G02F1/13357G02B6/00
Inventor 程鸿飞张玉欣
Owner BOE TECH GRP CO LTD