Unlock instant, AI-driven research and patent intelligence for your innovation.

Backlight module

A technology of backlight module and optical fiber group, applied in the field of direct type backlight module, can solve problems such as power consumption, and achieve the effect of reducing the number of use, saving power, and uniform light distribution

Inactive Publication Date: 2014-06-25
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
View PDF4 Cites 10 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Since the area that can be irradiated by a single light source is relatively small, in order to ensure the uniform distribution of the light output brightness of the direct-lit backlight module, multiple light sources must be installed, which consumes power

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Backlight module
  • Backlight module

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0011] see figure 1 , a backlight module 100 provided by an embodiment of the present invention includes a light source 10, an optical coupling element 20, a reflector 30, a plurality of optical fiber adapters 40, an optical fiber group 50, a plurality of secondary lenses 60 and A light guiding element 70.

[0012] The light source 10 is used for emitting light. In this embodiment, the light source 10 is a light emitting diode (Light emitting diode, LED).

[0013] The light coupling element 20 is separated from the light source 10 by a certain distance, and is used for converging the light emitted by the light source 10 , and has a focal point F1 . In this embodiment, the optical coupling element 20 is a condenser lens.

[0014] to combine figure 2 As shown, the reflection sheet 30 is provided with a plurality of through holes 31 arranged in an array.

[0015] The plurality of optical fiber adapters 40 are respectively fixed in the plurality of through holes 31 . The op...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a backlight module. The backlight module comprises at least one light source, a reflecting sheet, at least one optical fiber group and a light guide element. The at least one light source emits light rays. A plurality of through holes are formed in the reflecting sheet. The at least one optical fiber group is arranged corresponding to the at least one light source. Each optical fiber group comprises a plurality of optical fibers. Each optical fiber comprises a first port and a second port. The first port is used for receiving light rays emitted by the corresponding light source. The second ports of the optical fibers are inserted into the through holes. The light guide element is arranged on the light emitting sides of the second ports, and is used for receiving light rays emitted from the second ports and uniformizing the light rays emitted from the second ports. The reflecting sheet is used for reflecting light rays reflected by the light guide element into the light guide element once again. The light emitting brightness of the backlight module is uniform, and electric energy is saved effectively.

Description

technical field [0001] The invention relates to a backlight module, in particular to a direct type backlight module. Background technique [0002] Since the area that can be irradiated by a single light source is relatively small, in order to ensure uniform distribution of light output brightness of the direct-lit backlight module, multiple light sources must be provided, thereby consuming electric energy. Contents of the invention [0003] In view of this, it is necessary to provide a backlight module that can uniformly distribute light brightness and effectively save power. [0004] A backlight module includes at least one light source, one reflection sheet, at least one optical fiber group and one light guide element. The at least one light source is used for emitting light. A plurality of through holes are opened on the reflective sheet. The at least one optical fiber group is arranged corresponding to the at least one light source. Each of the fiber groups include...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): F21S8/00F21V13/02
Inventor 陈柏洲
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD