Lens, light bar, backlight module and display device

A technology of lens and light bar, applied in the field of light bar, backlight module, display device, and lens, can solve the problems of high cost, increase of light bar 1', low assembly efficiency, etc., and achieve the effect of increasing the light path

Active Publication Date: 2018-12-18
SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to obtain a uniform light output effect in the application of direct-lit backlight modules, it is necessary to arrange multiple LED chips evenly inside the backplane, so that the LED chips are evenly distributed in various parts of the backlight module, resulting in light strips in the backlight module 1' increases, assembly efficiency is low, and cost is high

Method used

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  • Lens, light bar, backlight module and display device
  • Lens, light bar, backlight module and display device
  • Lens, light bar, backlight module and display device

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Embodiment Construction

[0043] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0044] This embodiment provides a display device, which may be a TV, a monitor, an advertising machine, and the like. The display device includes a backlight module and a display panel. The backlight module supplies sufficient brightness and evenly distributed light source for the display panel so that it can display images normally.

[0045] Such as figure 2 As shown, the backlight module mainly includes a backplane (not shown in the figure), a reflector 4 , a light bar and a diffusion plate 3 . The diffuser plate 3 is disposed above the back plate, and the reflection sheet 4 is disposed around the diffuser plate 3 and connected to the diffuser plat...

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Abstract

The invention discloses a lens, a light bar, a backlight module and a display device, and relates to the technical field of display devices. The lens is strip-shaped, a light incident surface is formed on a bottom surface of the lens, a light emitting surface is formed on an outer surface of the lens, and a top surface of the lens is a curved surface; and part of light in the lens can be transmitted out from a side surface of the lens after being totally reflected by the curved surface. According to the lens, the light bar, the backlight module and the display device, the bottom surface of thelens is the light incident surface, and the outer surface of the lens is the light emitting surface; and an outer contour of the lens is designed, so that part of the light in the lens is directly transmitted out from the top surface and the side surface of the lens, part of the light is transmitted out from the side surface of the lens after being totally reflected on the top surface of the lens, and the optical distance of the light and the emergent angle of the light can be increased.

Description

technical field [0001] The invention relates to the technical field of display devices, in particular to a lens, a light bar, a backlight module and a display device. Background technique [0002] A display device is a device that can output graphics or sensory information, including televisions, monitors, advertising machines, etc. The backlight module is one of the important components of the display device. Backlight modules can be divided into side-type backlight modules and direct-type backlight modules. The direct-type backlight module means that the light source is emitted from the LED chip on the light bar, and is evenly dispersed upward through the diffusion plate before being emitted from the front of the diffusion plate. In the direct type backlight module, the installation space of the light bar becomes larger, but at the same time, the thickness, weight, power consumption, etc. , high light utilization efficiency, simple structure, etc., so it is suitable for...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21S4/24F21V5/04F21Y115/10
CPCF21V5/04F21S4/24F21Y2115/10
Inventor 孟长军韩继远
Owner SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD
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