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Display panel and display device

A technology for display panels and array substrates, applied in nonlinear optics, instruments, optics, etc., can solve the problems of limitations, difficulty in greatly improving reflection efficiency, low reflection efficiency, etc., and achieve the effect of improving light utilization rate and wide viewing angle

Inactive Publication Date: 2018-03-16
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Liquid crystal display devices are more and more widely used in various mobile and portable devices. This type of device is mostly used outdoors. In many cases, under the influence of strong ambient light, the content displayed on the LCD screen is difficult for human eyes to distinguish clearly, visible, and simple. The transmissive display mode has been difficult to meet the needs of outdoor applications
However, the current reflective display mode liquid crystal display device has a disadvantage of low reflection efficiency. In order to improve the efficiency of reflected light, the method of improving the microstructure of the electrode surface that plays a reflective role is currently used. However, due to the current fine exposure process Due to the limitation of the degree, it is difficult to improve the reflection efficiency

Method used

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  • Display panel and display device
  • Display panel and display device
  • Display panel and display device

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Experimental program
Comparison scheme
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Embodiment 1

[0031] This embodiment provides a display panel. The display panel achieves a wide viewing angle effect by using a diffuser sheet with a graded refractive index without reducing the brightness of the display panel; at the same time, it also uses a matching reflective electrode to improve the The utilization rate of external light realizes wide viewing angle and high brightness display in low power consumption mode.

[0032] Such as figure 1 As shown, in this embodiment, the display panel includes a color filter substrate 1, an array substrate 2, and a liquid crystal layer 3 arranged between the color filter substrate 1 and the array substrate 2, and the display panel also includes a diffusion sheet 5, which diffuses The sheet 5 is disposed on the side of the color filter substrate 1 away from the array substrate 2 , and the diffusion sheet 5 has a gradually changing refractive index along the thickness direction. Specifically, the diffusion sheet 5 has a refractive index that...

Embodiment 2

[0048] This embodiment provides a display device, which includes the display panel in Embodiment 1.

[0049] The display device may be any product or component with a display function, such as a liquid crystal panel, electronic paper, a mobile phone, a tablet computer, a television set, a monitor, a notebook computer, a digital photo frame, a navigator, and the like.

[0050] In the display device in this embodiment, using the display panel in Embodiment 1, a general-purpose side-type backlight or a direct-type backlight can be provided on the array substrate side, because the display panel has a high light utilization rate, and Wide viewing angle display can be realized, so that the power consumption of the display device is lower and the display effect is better.

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Abstract

The invention belongs to the technical field of display and particularly relates to a display panel and a display device. The display panel comprises a color-film substrate, an array substrate and a liquid crystal layer arranged between the color-film substrate and the array substrate, the color-film substrate and the array substrate are arranged in a box-aligning manner, the display panel comprises a diffusion sheet which is arranged on one side, far away from the array substrate, of the color-film substrate, and the diffusion sheet has refractive index which is gradually increased from the incident side to the emergent side along the thickness direction. The display panel is capable of increasing external light utilization ratio and acquiring a wider viewing angle, and low power consumption can be kept while the wide viewing angle is achieved.

Description

technical field [0001] The invention belongs to the field of display technology, and in particular relates to a display panel and a display device. Background technique [0002] Liquid crystal display (Liquid Crystal Display) is the mainstream product of flat panel display at present. According to the type of light source, liquid crystal display devices can be divided into transmissive, reflective and transflective, also known as semi transflective). [0003] Existing liquid crystal display devices are mostly in a transmissive display mode, which requires more brightness from the backlight to support the brightness of the entire display device. In the case of strong ambient light, it is necessary to increase the display brightness by increasing the brightness of the backlight source, thereby improving the display quality, which invisibly increases the power consumption of the entire display device, especially for mobile display devices or portable display devices. , puts f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/1335G02F1/1343
CPCG02F1/133504G02F1/1343
Inventor 严巍
Owner BOE TECH GRP CO LTD