Direct-type backlight optical simulation device and system

Patent metadata

Field	Value
Publication number	US-10054269-B2
Application number	US-201615542377-A
Country	US
Kind code	B2
Filing date	May 20, 2016
Priority date	Mar 10, 2016
Publication date	Aug 21, 2018
Grant date	Aug 21, 2018

Abstract

A direct-type backlight optical simulation apparatus and system are provided. The apparatus includes a diffusion plate, a supporting plate for the diffusion plate, an MF device and a platform, a side wall and a supporting rack for the diffusion plate are formed around the platform, and the platform includes slides, a reflection sheet and a plurality of first guide rails arranged to be parallel to each other. The MF device includes an MF fixing device, an MF reflection plate and an MF angle adjustment device. The MF reflection plate is coupled with the MF fixing device by the MF angle adjustment device, and the MF device is fixed on the side walls of the platform by the MF fixing device.

First claim

What is claimed is:

1. A direct-type backlight optical simulation apparatus comprising: a diffusion plate, a supporting plate for the diffusion plate, a mold frame (MF) device and a platform,
wherein a side wall and a supporting rack for the diffusion plate are formed around the platform, and the platform comprises slides, a reflection sheet and a plurality of first guide rails arranged to be parallel to each other,
wherein the slides are formed on two side walls of the platform which are opposite to each other, respectively, two ends of each of the first guide rails are positioned on the slides, respectively, the reflection sheet is located on a side of the first guide rails near the platform, and a plurality of LED clamps capable of sliding along a lengthwise direction of the first guide rails are provided on the first guide rails,
wherein the supporting plate for the diffusion plate has an end movably coupled to the supporting rack for the diffusion plate, and the other end of the supporting plate for the diffusion plate supports the diffusion plate,
wherein the MF device comprises an MF fixing device, an MF reflection plate and an MF angle adjustment device, the MF reflection plate is coupled with the MF fixing device by the MF angle adjustment device, and the MF device is fixed on the side walls of the platform by the MF fixing device.

2. The direct-type backlight optical simulation apparatus of claim 1 , wherein a second guide rail having a first scale is formed on the supporting rack for the diffusion plate, and a lengthwise direction of the second guide rail is perpendicular to an upper surface of the platform.

3. The direct-type backlight optical simulation apparatus of claim 1 , wherein each of the first guide rails has a second scale along a lengthwise direction of the first guide rails, and each of the LED clamps is provided with a first pointer pointed to the second scale.

4. The direct-type backlight optical simulation apparatus of claim 1 , wherein one of the slides on at least one side has a third scale along an extending direction of the slides, and at least one end of each of the first guide rails is provided with a second pointer pointed to the third scale.

5. The direct-type backlight optical simulation apparatus of claim 1 , wherein the supporting plate for the diffusion plate has an end movably coupled with the supporting rack for the diffusion plate in a way that the end of the supporting plate for the diffusion plate is muff-coupled to the supporting rack for the diffusion plate.

6. The direct-type backlight optical simulation apparatus of claim 1 , wherein the supporting plate for the diffusion plate is provided with a supporting portion which mates with the diffusion plate.

7. The direct-type backlight optical simulation apparatus of claim 1 , wherein each of the LED clamps is provided with a guide slider at a bottom thereof, and each of the LED clamps is provided with positive and negative electrodes at a top thereof.

8. The direct-type backlight optical simulation apparatus of claim 1 , wherein the MF fixing device comprises an MF holding slot, and the MF device is fixed on the side wall of the platform by the MF fixing device in a way that the MF device is clamped with the side wall of the platform by the MF holding slot.

9. The direct-type backlight optical simulation apparatus of claim 8 , wherein a spacer is provided between the MF holding slot and the side wall of the platform.

10. The direct-type backlight optical simulation apparatus of claim 1 , wherein the MF angle adjustment device is an MF rotating shaft rotates around a radial direction of the MF device.

11. The direct-type backlight optical simulation apparatus of claim 10 , wherein the MF rotating shaft has a fourth scale.

12. The direct-type backlight optical simulation apparatus of claim 1 , wherein the MF reflection plate is made of a reflective flexible material.

13. The direct-type backlight optical simulation apparatus of claim 1 , wherein the platform has a rectangle shape or a square shape, and the supporting rack for the diffusion plate is disposed at each of four corners of the platform.

14. A direct-type backlight optical simulation system comprising: a direct-type backlight optical simulation apparatus and a power supply, wherein the direct-type backlight optical simulation apparatus comprises
a diffusion plate, a supporting plate for the diffusion plate, a mold frame (MF) device and a platform,
wherein a side wall and a supporting rack for the diffusion plate are formed around the platform, and the platform comprises slides, a reflection sheet and a plurality of first guide rails arranged to be parallel to each other,
wherein the slides are formed on two side walls of the platform which are opposite to each other, respectively, two ends of each of the first guide rails are positioned on the slides, respectively, the reflection sheet is located on a side of the first guide rails near the platform, and a plurality of LED clamps capable of sliding along a lengthwise direction of the first guide rails are provided on the first guide rails,
wherein the supporting plate for the diffusion plate has an end movably coupled to the supporting rack for the diffusion plate, and the other end of the supporting plate for the diffusion plate supports the diffusion plate,
wherein the MF device comprises an MF fixing device, an MF reflection plate and an MF angle adjustment device, the MF reflection plate is coupled with the MF fixing device by the MF angle adjustment device, and the MF device is fixed on the side walls of the platform by the MF fixing device.

Assignees

• Boe Technology Group Co Ltd
• Beijing Boe Display Tech Co

Inventors

• Zhang Wei
• Zhang Yu
• Zhou Hao
• Liao Yanping
• Hu Weihao
• Chi Hai
• Zhong Wei

Classifications

• F21K9/20 Primary

  Light sources comprising attachment means · CPC title

• F21K9/68

  Details of reflectors forming part of the light source · CPC title

• G02B5/0278

  used in transmission · CPC title

• F21V21/14

  Adjustable mountings · CPC title

• G02F1/133602

  Direct backlight · CPC title