Turnover device, substrate cell-assembling apparatus and substrate cell-assembling method

Patent metadata

Field	Value
Publication number	US-9568753-B2
Application number	US-201514832004-A
Country	US
Kind code	B2
Filing date	Aug 21, 2015
Priority date	Nov 17, 2014
Publication date	Feb 14, 2017
Grant date	Feb 14, 2017

Abstract

A turnover device, a substrate cell-assembling apparatus and a substrate cell-assembling method are provided. The turnover device comprises: a fixed support and a turnover platform connected with the fixed support by a first rotary shaft, the turnover platform having a first suction surface and a second suction surface which are oppositely arranged and are configured to suction a substrate; a second rotary shaft and a third rotary shaft, configured to respectively drive the first suction surface and the second suction surface to rotate in an in-plane direction, axial directions of the second rotary shaft and the third rotary shaft being basically perpendicular to that of the first rotary shaft. The turnover platform is configured to turn over the first suction surface and the second suction surface by the first rotary shaft.

First claim

What is claimed is:

1. A turnover device, comprising: a fixed support, and a turnover platform connected with the fixed support by a first rotary shaft, the turnover platform having a first suction surface and a second suction surface which are oppositely arranged and are configured to suction a substrate;
a second rotary shaft and a third rotary shaft, configured to respectively drive the first suction surface and the second suction surface to rotate in an in-plane direction, axial directions of the second rotary shaft and the third rotary shaft being substantially perpendicular to an axial direction of the first rotary shaft,
wherein the turnover platform is configured to turn over the first suction surface and the second suction surface by the first rotary shaft.

2. The turnover device according to claim 1 , wherein a plurality of suction pillars arrayed in matrix is arranged on the first suction surface and the second suction surface, and the suction pillars are hollow.

3. The turnover device according to claim 2 , further comprising a vacuum suction unit and a control unit, the vacuum suction unit being communicated with the suction pillars on the first suction surface and the second suction surface, and the control unit being configured to control the vacuum suction unit to suction the substrate by the first suction surface and the second suction surface.

4. The turnover device according to claim 2 , wherein ends of the suction pillars opposite to ends connected to the first suction surface and the second suction surface are opening ends, the opening ends of the suction pillars having damping springs connected thereto and the damping springs being connected with vacuum suckers.

5. The turnover device according to claim 3 , wherein the vacuum suction unit includes a first gas pipe, a second gas pipe, a gas control valve and a gas compression unit;
the first gas pipe communicates the suction pillars on the first suction surface with the gas control valve, and the second gas pipe communicates the suction pillars on the second suction surface with the gas control valve;
the gas control valve is communicated with the gas compression unit, and is configured to control opening and closing of the first gas pipe and the second gas pipe under control of the control unit;
the gas compression unit is configured to control charging and discharging of gas under control of the control unit.

6. The turnover device according to claim 5 , wherein the vacuum suction unit further includes a pressure meter, the pressure meter being arranged between the gas control valve and inlet ends of the first gas pipe and the second gas pipe.

7. The turnover device according to claim 1 , wherein aligning cameras are arranged on the first suction surface and the second suction surface.

8. The turnover device according to claim 1 , wherein aligning clips for clamping a substrate are arranged on edge regions of the first suction surface and the second suction surface.

9. The turnover device according to claim 1 , wherein substrate inductive sensors are arranged on the first suction surface and the second suction surface.

10. A substrate cell-assembling apparatus, comprising a turnover device, the turnover device includes:
a fixed support and a turnover platform connected with the fixed support by a first rotary shaft, the turnover platform having a first suction surface and a second suction surface which are oppositely arranged and are configured to suction a substrate;
a second rotary shaft and a third rotary shaft, configured to respectively drive the first suction surface and the second suction surface to rotate in an in-plane direction, axial directions of the second rotary shaft and the third rotary shaft being substantially perpendicular to an axial direction of the first rotary shaft,
wherein the turnover platform is configured to turn over the first suction surface and the second suction surface by the first rotary shaft.

11. The substrate cell-assembling apparatus according to claim 10 , further comprising: an aligning device carrying a cell-assembling substrate.

12. The substrate cell-assembling apparatus according to claim 10 , wherein a plurality of suction pillars arrayed in matrix is arranged on the first suction surface and the second suction surface, and the suction pillars are hollow.

13. The substrate cell-assembling apparatus according to claim 12 , further comprising: a vacuum suction unit and a control unit, the vacuum suction unit being communicated with the suction pillars on the first suction surface and the second suction surface, and the control unit being configured to control the vacuum suction unit to suction the substrate by the first suction surface and the second suction surface.

14. The substrate cell-assembling apparatus according to claim 12 , wherein ends of the suction pillars opposite to ends connected to the first suction surface and the second suction surface are opening ends, the opening ends of the suction pillars having damping springs connected thereto and the damping springs being connected with vacuum suckers.

15. The substrate cell-assembling apparatus according to claim 13 , wherein the vacuum suction unit includes a first gas pipe, a second gas pipe, a gas control valve and a gas compression unit;
the first gas pipe communicates the suction pillars on the first suction surface with the gas control valve, and the second gas pipe communicates the suction pillars on the second suction surface with the gas control valve;
the gas control valve is communicated with the gas compression unit, and is configured to control opening and closing of the first gas pipe and the second gas pipe under control of the control unit;
the gas compression unit is configured to control charging and discharging of gas under control of the control unit.

16. The substrate cell-assembling apparatus according to claim 15 , wherein the vacuum suction unit further includes a pressure meter, the pressure meter being arranged between the gas control valve and inlet ends of the first gas pipe and the second gas pipe.

17. The substrate cell-assembling apparatus according to claim 10 , wherein aligning cameras are arranged on the first suction surface and the second suction surface.

18. The substrate cell-assembling apparatus according to claim 10 , wherein aligning clips for clamping a substrate are arranged at edge regions of the first suction surface and the second suction surface.

19. The substrate cell-assembling apparatus according to claim 10 , wherein substrate inductive sensors are arranged on the first suction surface and the second suction surface.

20. A substrate cell-assembling method, comprising steps of:
suctioning a substrate by a first suction surface or a second suction surface of a turnover device, and turning over the substrate to face an aligning device for carrying a cell-assembling substrate;
detecting a position relationship between the substrate suctioned by the first suction surface or the second suction surface of the turnover device and the cell-assembling substrate carried on the aligning device, and aligning the suctioned substrate with the cell-assembling substrate; and
cell-assembling the suctioned substrate with the cell-assembling substrate, re-detecting the position relationship between the suctioned substrate and the cell-assembling substrate, and aligning the suctioned substrate with the cell-assembling substrate.

Assignees

• Boe Technology Group Co Ltd
• Hefei Boe Optoelectronics Tech

Inventors

• Jing Yangkun
• Sang Shengguang
• Sun Guofang
• Liu Zhiqiang
• Zhang Zhousheng
• Che Xiaopan
• Zheng Tandong

Classifications

• G02F1/1303 Primary

  Apparatus specially adapted to the manufacture of LCDs · CPC title

• G02F2001/133354

  Physics · mapped topic

• B65H15/00

  Overturning articles · CPC title

• G02F1/133354

  Arrangements for aligning or assembling substrates · CPC title

• B65H3/0883

  Construction of suction grippers or their holding devices · CPC title