Vacuum cell-assembling device and cell-assembling method

• US 8,876,569 B2
• Filed: 07/20/2012
• Issued: 11/04/2014
• Est. Priority Date: 08/01/2011
• Status: Active Grant

• Current Assignee: Beijing BOE Optoelectronics Technology Co Ltd. (BOE Technology Group Co., Ltd.)
• Original Assignee: Beijing BOE Optoelectronics Technology Co Ltd. (BOE Technology Group Co., Ltd.)
• Inventors: Chen, Bingyu, Tang, Huan, Dong, Tingze, Liu, Ying
• Primary Examiner(s): Patel, Nimeshkumar
• Assistant Examiner(s): DIAZ, JOSE
• Application Number:
  US13/696,919
• Publication Number:
  US 20140127962A1
• Time in Patent Office: 837 Days
• Field of Search: 445/3, 445/63, 445 24- 25, 349187-192, 356337-344, 356/434, 356213-214, 3562391-2392, 356/237.1
• US Class Current: 445/3
• CPC Class Codes: G02F 1/1303 Apparatus specially adapted to the manufacture of LCDs
• CPC Class Codes: G02F 1/1309 Repairing; Testing
• CPC Class Codes: G02F 1/1333 Constructional arrangements; Manufacturing methodsG02F1/135, G02F1/136 take precedence
• CPC Class Codes: G02F 1/1341 Filling or closing of cells
• CPC Class Codes: G02F 1/13415 Drop filling process
• CPC Class Codes: G02F 2201/58 Arrangements comprising a monitoring photodetector

Abstract

The embodiments of the present invention disclose a vacuum cell-assembling device and a cell-assembling method. The vacuum cell-assembling device comprises: an upper substrate, a signal processing apparatus, and a lower substrate provided opposite to the upper substrate, wherein the upper substrate is provided with a light-emitting apparatus thereon, and the lower substrate is provided a photosensitive receiving element array thereon, and the photosensitive receiving element array is connected with the signal processing apparatus, and the signal processing apparatus is adapted for converting the electrical signals from the photosensitive receiving element array to a liquid crystal diffusion-simulation image.

Claims

1. A vacuum cell-assembling device comprising:

an upper substrate, a signal processing apparatus, and a lower substrate provided opposite to the upper substrate, wherein,

the upper substrate is provided with a light-emitting apparatus thereon,

the lower substrate is provided with a photosensitive receiving element array thereon for receiving light from the upper substrate, and

the photosensitive receiving element array is connected with the signal processing apparatus, and the signal processing apparatus is adapted for converting the electrical signals from the photosensitive receiving element array to a liquid crystal diffusion-simulation image.

2. The vacuum cell-assembling device according to claim 1, wherein the photosensitive receiving element array is provided on a surface of the lower substrate opposing the upper substrate.

3. The vacuum cell-assembling device according to claim 2, wherein the light-emitting apparatus comprises a light source, a light reflection plate and a light guide plate, and wherein the light source is provided at one side of the light guide plate, and the light guide plate is provided below the light reflection plate.

4. The vacuum cell-assembling device according to claim 3, wherein the light source is a UV light power, and the photosensitive receiving element array is an array constituted by a plurality of UV-sensitive resistors for receiving UV light from the UV light power of the upper substrate.

5. The vacuum cell-assembling device according to claim 3, wherein the light guide plate is a flat-type light guide plate.

6. The vacuum cell-assembling device according to claim 1, wherein the light-emitting apparatus comprises a light source, a light reflection plate and a light guide plate, and wherein the light source is provided at one side of the light guide plate, and the light guide plate is provided below the light reflection plate.

7. The vacuum cell-assembling device according to claim 6, wherein the light source is a UV light power, and the photosensitive receiving element array is an array constituted by a plurality of UV-sensitive resistors for receiving UV light from the UV light power of the upper substrate.

8. The vacuum cell-assembling device according to claim 6, wherein the light guide plate is a flat-type light guide plate.

9. The vacuum cell-assembling device according to claim 1, wherein the signal processing apparatus comprises a two-dimensional modeling unit for converting the electrical signals from the photosensitive receiving element array to the liquid crystal diffusion-simulation image.

10. The vacuum cell-assembling device according to claim 9, further comprising a display apparatus which is connected with the signal processing apparatus, for displaying the liquid crystal diffusion-simulation image.

11. The vacuum cell-assembling device according to claim 1, further comprising a display apparatus which is connected with the signal processing apparatus, for displaying the liquid crystal diffusion-simulation image.

12. The vacuum cell-assembling device according to claim 1, wherein the photosensitive receiving element array comprises a plurality of photoresistors.

13. The vacuum cell-assembling device according to claim 12, wherein the photoresistors are each in a rectangular thin sheet-like shape.

14. A cell-assembling method using a vacuum cell-assembling device, the vacuum cell-assembling device comprising:

an upper substrate, a signal processing apparatus, and a lower substrate provided opposite to the upper substrate, wherein the upper substrate is provided with a light-emitting apparatus thereon, and the lower substrate is provided a photosensitive receiving element array thereon for receiving light from the upper substrate, and the photosensitive receiving element array is connected with the signal processing apparatus, and the signal processing apparatus is adapted for converting the electrical signals from the photosensitive receiving element array to a liquid crystal diffusion-simulation image, and the method comprising;

drop-filling liquid crystal on the lower glass substrate;

cell-assembling the upper glass substrate and the lower glass substrate;

observing the liquid crystal diffusion-simulation image formed in the diffusion process of the liquid crystal; and

adjusting the parameters of the cell-assembling procedure according to the liquid crystal diffusion-simulation image.

15. The cell-assembling method according to claim 14, wherein the liquid crystal is tagged liquid crystal.

16. The cell-assembling method according to claim 15, wherein the tagged liquid crystal comprises:

UV-absorbing tagged liquid crystal formed by embedding molecular groups into carbon chains of ordinary liquid crystal molecules.

17. The cell-assembling method according to claim 16, wherein,

drop-filling the tagged liquid crystal at a first position on the lower glass substrate, and drop-filling ordinary liquid crystal in other region of the lower glass substrate except the first position;

and

the method further comprises;

after cleaning off the liquid crystal, drop-filling the tagged liquid crystal at a second position of the lower glass substrate, and drop-filling ordinary liquid crystal in other region of the lower glass substrate except the second position;

superimposing the liquid crystal diffusion-simulation images formed at the first and second positions, thereby obtaining an integrated liquid crystal diffusion-simulation image, then adjusting the parameters of the cell-assembling procedure according to the integrated liquid crystal diffusion-simulation image.

18. The cell-assembling method according to claim 15, wherein,

drop-filling the tagged liquid crystal at a first position on the lower glass substrate, and drop-filling ordinary liquid crystal in other region of the lower glass substrate except the first position.

19. The cell-assembling method according to claim 18, further comprising:

after cleaning off the liquid crystal, drop-filling the tagged liquid crystal at a second position of the lower glass substrate, and drop-filling ordinary liquid crystal in other region of the lower glass substrate except the second position;

superimposing the liquid crystal diffusion-simulation images formed at the first and second positions, thereby obtaining an integrated liquid crystal diffusion-simulation image, then adjusting the parameters of the cell-assembling procedure according to the integrated liquid crystal diffusion-simulation image.

20. The cell-assembling method according to claim 14, wherein the parameters of the cell-assembling procedure comprise:

liquid crystal amount, liquid crystal interval, liquid crystal temperature, and cell-assembling pressure.