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Optical structure, display substrate and display device

A technology of optical structure and display substrate, which is applied in the direction of optical components, optics, nonlinear optics, etc., can solve the problems of reliability impact, increase of total cost, increase of display device thickness, etc., and achieve the effect of improving display brightness

Inactive Publication Date: 2015-12-23
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, the brightness of liquid crystal display devices is improved by using optical elements such as prism sheets and brightness enhancement films, but this will increase the thickness of the entire display device, which conflicts with the thinning requirements of products
Moreover, with the thinning of the diaphragm, the reliability will be affected to a certain extent, and the total cost will be increased at the same time.

Method used

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  • Optical structure, display substrate and display device
  • Optical structure, display substrate and display device
  • Optical structure, display substrate and display device

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Embodiment Construction

[0019] The present invention provides an optical structure, comprising at least two light-transmitting optical film layers, wherein at least two adjacent optical film layers have different refractive indices, when light is incident on two adjacent optical film layers with different refractive indices, Refraction occurs at the contact interface of the two adjacent optical film layers, so that the angle between the outgoing light and the incident surface is smaller than the angle between the incident light and the incident surface, so as to realize the convergence of the light and improve the brightness of the light. Since the thickness of the optical film layer can reach nm level, when the optical structure is applied to a display device, it can not only increase the display brightness, but also not increase the thickness of the display module. Moreover, the thin film preparation technology has been perfected, so that the manufacturing cost of the optical structure is relatively...

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Abstract

The invention relates to the technical field of display and discloses an optical structure, a display substrate and a display device. The optical structure comprises at least two optical film layers. Refractive indexes of at least two adjacent optical film layers are different. When light is emitted to the two adjacent optical film layers which are different in refractive index, the light is refracted on the contact interface of the two adjacent optical film layers, so that the included angle between the emitted light and the incident face is smaller than that of the incident light and the incident face, and light gathering is achieved. The thickness of the optical film layers is in the micron order. When the optical structure is applied to the display device, display brightness can be improved, and besides, the thickness of a display module can not be increased.

Description

technical field [0001] The invention relates to the field of display technology, in particular to an optical structure, a display substrate and a display device. Background technique [0002] Liquid crystal display technology is the mainstream technology in the field of flat panel display. Since the liquid crystal itself does not emit light, in various liquid crystal display devices (Liquid Crystal Display, hereinafter referred to as "LCD") such as liquid crystal displays and liquid crystal televisions, it is necessary to rely on an external backlight source to realize display. [0003] When used for outdoor display, in order to improve the visual effect of the liquid crystal display device, it is necessary to further increase the brightness so as not to be interfered by external ambient light. In the prior art, optical elements such as prism sheets and brightness enhancement films are used to improve the brightness of liquid crystal display devices. However, this will incr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/13357
CPCG02F1/133606G02F1/133607G02B5/0236G02B5/0257G02B5/0278G02B5/045G02F1/1335
Inventor 刘智郭远辉
Owner BOE TECH GRP CO LTD
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