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Light guide plate, backlight module and display device

一种显示装置、导光板的技术，应用在照明装置、固定照明装置、光学等方向，能够解决影响导光板光学外观等问题

Active Publication Date: 2020-10-20
RADIANT OPTO ELECTRONICS SUZHOU +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, although the light guide plate with a special shape can solve the above problems, when the light propagates in the light guide plate with a special shape, it often leaks from the position where the tapered part connects with the flat part, thus seriously affecting the optical appearance of the light guide plate

Method used

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  • Light guide plate, backlight module and display device
  • Light guide plate, backlight module and display device
  • Light guide plate, backlight module and display device

Examples

Experimental program
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Embodiment Construction

[0038] Please refer to figure 1 , which shows a schematic diagram of the device of the backlight module according to the embodiment of the present invention. The backlight module 400 of this embodiment mainly includes a light guide plate 500 and a light source 410 , wherein the light source 410 is disposed on one side of the light guide plate 500 . The light guide plate 500 mainly includes a main body 510 , a plurality of first strip structures 520 and a plurality of second strip structures 530 . The first strip structure 520 and the second strip structure 530 are arranged on the main body 510. The first strip structure 520 and the second strip structure 530 are used to atomize the light leakage near the light incident of the light guide plate 500, so as to improve the The phenomenon of bright bands or uneven brightness and darkness at the incident light can further improve the overall brightness uniformity of the backlight module 400 .

[0039] Please continue to refer to ...

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Abstract

A light guide plate (500), a backlight module (400) and a display device. The light guide plate (500) mainly includes a main body (510), a plurality of first strip structures (520) and a plurality of second strip structures (530). The main body (510) includes a light incident surface (511), an end portion (512) and a light guide portion (513). The end portion (512) has at least one inclined surface (512a, 512b). The light guiding part (513) is connected to the end part (512). The light guiding part (513) has a first optical surface (513a) and a second optical surface (513b) opposite to the first optical surface (513a). At least a part of each first strip structure (520) is disposed on the first optical surface (513a). At least a part of each second strip structure (530) is disposed on the second optical surface (513b). The type, arrangement or arrangement position of the first strip structure (520) is different from that of the second strip structure (530).

Description

technical field [0001] The invention relates to a light guide element and its application, and in particular to a light guide plate and the application of the light guide plate in a backlight module and a display device. Background technique [0002] In order to comply with the design trend of thinner backlight modules, the design of the light guide plate also tends to be thinner. However, when the thickness of the light guide plate is reduced, the height of the LEDs cannot be reduced to the same thickness as the light guide plate. Moreover, when the height of the light emitting diodes is greater than the thickness of the light guide plate, the light guide plate cannot effectively utilize the light generated by the light emitting diodes, thus causing light leakage from the light guide plate. [0003] In order to solve the above-mentioned problems, generally, a light guide plate with a special shape is used in a backlight module to replace a flat light guide plate. The ligh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F21S8/00
CPCG02B6/0018G02B6/002G02B6/0023G02B6/003G02B6/0028G02B6/0016G02B6/0046G02B6/0055G02B6/009
Inventor 张嘉尹林信伯
Owner RADIANT OPTO ELECTRONICS SUZHOU