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Backlight module and display device

A backlight module and reflective technology, which is applied in optics, nonlinear optics, instruments, etc., can solve the problems that it is difficult to fit the ultra-thin backlight module, the LCD backlight module cannot be bent or flexible, and the thickness of the LCD backlight is large. Achieve the effect of realizing the uniformity of light emission on the whole surface, ensuring the uniformity of light emission on the whole surface, and improving the overall light efficiency

Inactive Publication Date: 2021-07-20
WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a backlight module and a display device, which solves the problem that the LCD backlight module cannot be bent or flexed to a large extent temporarily due to factors such as rubber iron frame and light guide plate, and the flexible LCD backlight module has become a The bottleneck in the development of flexible LCDs, and the thickness of the LCD backlight is large, which is difficult to meet the technical problems of ultra-thin backlight modules

Method used

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  • Backlight module and display device

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Embodiment Construction

[0030] The following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments in which the invention may be practiced. The directional terms mentioned in the present invention, such as [top], [bottom], [front], [back], [left], [right], [inside], [outside], [side], etc., are only for reference The orientation of the attached schema. Therefore, the directional terms used are used to illustrate and understand the present invention, but not to limit the present invention. In the figures, structurally similar elements are denoted by the same reference numerals.

[0031] In the drawings, the thicknesses of layers and regions are exaggerated for clarity. For example, the thickness and size of elements in the drawings are arbitrarily shown for convenience of description, and thus the described technical scope is not limited by the drawings.

[0032] see figure 1 As shown, the embodiment of the present invention provides a backli...

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Abstract

The invention provides a backlight module and a display device. The backlight module comprises a substrate, a plurality of light-emitting units, a light guide layer and a light reflecting layer. The design of the ultrathin flexible backlight module is achieved, and it is guaranteed that the overall thickness of the backlight module does not exceed 0.3 mm; a direct type light emitting mode is adopted, it is guaranteed that backlight has good visual angle uniformity when bent at different angles, no uniform light film structure exists in the backlight module, a net point structure is manufactured on the surface film surface of the lamp panel, light emitting uniformity at different positions of the front face is achieved through the combined action of the optical waveguide and the net point structure, the thinning of backlight and the light emitting uniformity of the whole surface are guaranteed, the light emitting uniformity and the bending characteristic of the backlight are considered, the light emitting uniformity of the whole surface is achieved, meanwhile, the overall lighting effect of the lamp panel can be improved, and the ultrathin flexible backlight with the higher lighting effect is achieved.

Description

technical field [0001] The invention relates to the display field, in particular to a backlight module and a display device. Background technique [0002] Flexible screen has the technical advantages of being bendable and flexible, so it is favored by many display terminal manufacturers including mobile phones and notebooks. OLED display technology can use flexible substrates as substrates, and has technical advantages over LCDs in the preparation of flexible devices. Conventional LCDs cannot compete with OLEDs in flexibility due to glass substrates, backlights and other factors. [0003] But at present, there are exhibits or reports on LCD flexible display screens, but LCD backlight modules are temporarily unable to achieve a large degree of bending or flexibility due to factors such as plastic iron frames and light guide plates. Flexible LCD backlight modules have become a development trend. The bottleneck of flexible LCD development. Moreover, the thickness of the LCD b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/13357
CPCG02F1/133603G02F1/133605G02F1/133606
Inventor 杨勇
Owner WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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