Concentrating module, backlight module and display device

A technology of a backlight module and a liquid crystal display device, which is applied in optics, optical components, nonlinear optics, etc., can solve problems affecting user experience and display effects are very obvious, and achieve improved display effects, good light-gathering ability, Enhances the effect of the spotlight effect

Inactive Publication Date: 2019-08-16
KUSN INFOVISION OPTOELECTRONICS
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

It can be seen from the figure that the brightness decreases significantly with the increase of the included angle. Outside the included angle range of -15° to +15°, the brightness is less than 50% of the brightness relative to the brightness in the normal direction of the central position. For a 14-inch display, in the narrow viewing angle mode, the observation point is located in the center of the display, and the observed brightness of the peripheral area of ​​the display is significantly lower than that of the central area, which has a significant impact on the display effect and seriously affects the user's use to experience

Method used

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  • Concentrating module, backlight module and display device
  • Concentrating module, backlight module and display device
  • Concentrating module, backlight module and display device

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Embodiment Construction

[0039] Various embodiments of the invention will be described in more detail below with reference to the accompanying drawings. In the various drawings, the same elements are denoted by the same or similar reference numerals. For the sake of clarity, various parts in the drawings have not been drawn to scale.

[0040] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0041] image 3 Shows a schematic longitudinal cross-sectional view of a light concentrating module according to an embodiment of the present invention; the light concentrating module includes: a first optical surface 101, a second optical surface 102, and a bottom surface 103; wherein, the first optical surface 101 and the second optical surface 102 They are all arranged opposite to the bottom surface 103, and there is an angle between the first optical surface 101 and the second optical surface...

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Abstract

The application discloses a concentrating module, a backlight module and a display device. The concentrating module comprises a bottom surface, a plurality of first optical surfaces and a plurality ofsecond optical surfaces, wherein the plurality of first optical surfaces and the plurality of second optical face surfaces s are each opposite the bottom surface; the first optical surfaces and the second optical surfaces form ribs, at least part of the regions of the first optical surfaces and / or the second optical surfaces is arranged with a concentrating microstructure, the pattern of the concentrating microstructure comprises at least one of a triangular wave, a sine wave and a trapezoidal wave and is disposed along the direction of the ribs, and the concentrating module can reduce the brightness difference between the edge region and the central region of the display device, and enhance the brightness of the edge region, so that the corresponding display device has better consistencyand superior display effect in the display region.

Description

technical field [0001] The invention relates to the technical field of liquid crystal display, in particular to a backlight module and a light concentrating module for a liquid crystal display device. Background technique [0002] The existing liquid crystal display (Liquid Crystal Display, LCD) not only has the characteristics of thinness and small size, but also has the advantages of no radiation, low power consumption and relatively low manufacturing cost, so it has gradually replaced the traditional cathode ray tube (CRT) ) display, currently liquid crystal display is widely used in high-definition digital TV, desktop computer, notebook computer, tablet computer, mobile phone, digital camera and other electronic equipment, and occupies a dominant position in the field of portable display. [0003] People who have used LCD monitors will find that in the narrow viewing angle mode, the display screen has a certain viewing angle, that is, the computer or monitor is viewed fr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/13357G02B5/04G02B5/00
CPCG02B5/00G02B5/045G02F1/133606G02F1/133615G02F1/133607
Inventor 乔艳冰汤金红
Owner KUSN INFOVISION OPTOELECTRONICS
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