BACKLIGHT MODULE AND DISPLAY DEVICE

• US 20160011357A1
• Filed: 07/25/2014
• Published: 01/14/2016
• Est. Priority Date: 12/27/2013
• Status: Active Grant

• Current Assignee: Beijing BOE Display Technology Co Ltd (BOE Technology Group Co., Ltd.), BOE Technology Group Co., Ltd.
• Original Assignee: Beijing BOE Display Technology Co Ltd (BOE Technology Group Co., Ltd.), BOE Technology Group Co., Ltd.
• Inventors: WANG, Juan, SONG, Guannan, BU, Zhanchang, KIM, Woong
• Granted Patent: US 10,018,775 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G02B 6/005 provided by one optical element, or plurality thereof, placed on the light output side of the light guide
• CPC Class Codes: G02B 6/0068 Arrangements of plural sources, e.g. multi-colour light sources
• CPC Class Codes: G02B 6/0073 Light emitting diode [LED]
• CPC Class Codes: G02B 6/0085 Means for removing heat created by the light source from the package heat extraction or cooling elements for semiconductor light sources in general H01L33/64
• CPC Class Codes: G02B 6/009 of the light source in the package G02B6/0021 takes precedence

Abstract

The present disclosure provides a backlight module and a display device. The backlight module includes a back plate, a light bar arranged on the back plate, and a clamping structure. The clamping structure includes clamping members arranged on the light bar, and positioning connectors arranged on the back plate at positions corresponding to the clamping members. The clamping members cooperate with the positioning connectors to secure the light bar onto the back plate.

Claims

1. A backlight module, comprising a back plate and a light bar arranged on the back plate;

wherein the backlight module further comprises a clamping structure;

the clamping structure comprises clamping members arranged on the light bar, and positioning connectors arranged on the back plate at positions corresponding to the clamping members;

the clamping members cooperate with the positioning connectors to secure the light bar onto the back plate.

2. The backlight module according to claim 1, wherein the clamping members comprise a plurality of plug boards arranged at a side of the light bar adjacent to the back plate;

the positioning connectors comprise via-holes arranged in the back plate at positions corresponding to the plug boards;

the plug boards extend through the via-holes and are bent to be attached to the back plate.

3. The backlight module according to claim 2, wherein the light bar comprises an aluminum substrate and a light source arranged at one side of the aluminum substrate;

the clamping members are arranged at the other side of the aluminum substrate.

4. The backlight module according to claim 3, wherein the clamping members are formed integrally with the aluminum substrate.

5. The backlight module according to claim 3, wherein the clamping members are connected to the aluminum substrate by an adhesive or by welding.

6. The backlight module according to claim 5, wherein the plug board is made of flexible material.

7. The backlight module according to claim 3, wherein the aluminum substrate is in direct contact with the back plate.

8. The backlight module according to claim 2, further comprising a light-guide plate secured onto the back plate and an optical membrane arranged at a front of the light-guide plate;

wherein the back plate comprises a first portion arranged on a back of the light-guide plate and a second portion surrounding side faces of the light-guide plate, and the positioning connectors are arranged at the second portion.

9. The backlight module according to claim 8, wherein the light bar comprises an aluminum substrate and a light source arranged at one side of the aluminum substrate;

the clamping members are arranged at the other side of the aluminum substrate;

the other side of the aluminum substrate is in direct contact with the second portion of the back plate.

10. A display device, comprising a display panel, a backlight module, and a bezel for assembling the display panel and the backlight module;

wherein the backlight module comprises a back plate and a light bar arranged on the back plate;

the backlight module further comprises a clamping structure;

the clamping structure comprises clamping members arranged on the light bar, and positioning connectors arranged on the back plate at positions corresponding to the clamping members;

the clamping members cooperate with the positioning connectors to secure the light bar onto the back plate.

11. The display device according to claim 10, wherein the clamping members comprise a plurality of plug boards arranged at a side of the light bar adjacent to the back plate;

the positioning connectors comprise via-holes arranged in the back plate at positions corresponding to the plug boards;

the plug boards extend through the via-holes and are bent to be attached to the back plate.

12. The display device according to claim 11, wherein the light bar comprises an aluminum substrate and a light source arranged at one side of the aluminum substrate;

the clamping members are arranged at the other side of the aluminum substrate.

13. The display device according to claim 12, wherein the clamping members are formed integrally with the aluminum substrate.

14. The display device according to claim 12, wherein the clamping members are connected to the aluminum substrate by an adhesive or by welding.

15. The display device according to claim 14, wherein the plug board is made of flexible material.

16. The display device according to claim 12, wherein the aluminum substrate is in direct contact with the back plate.

17. The display device according to claim 11, further comprising a light-guide plate secured onto the back plate and an optical membrane arranged at a front of the light-guide plate;

wherein the back plate comprises a first portion arranged on a back of the light-guide plate and a second portion surrounding side faces of the light-guide plate, and the positioning connectors are arranged at the second portion.

18. The display device according to claim 17, wherein the light bar comprises an aluminum substrate and a light source arranged at one side of the aluminum substrate;

the clamping members are arranged at the other side of the aluminum substrate;

the other side of the aluminum substrate is in direct contact with the second portion of the back plate.