JPS6474532A - Active matrix display panel - Google Patents
Active matrix display panelInfo
- Publication number
- JPS6474532A JPS6474532A JP23173287A JP23173287A JPS6474532A JP S6474532 A JPS6474532 A JP S6474532A JP 23173287 A JP23173287 A JP 23173287A JP 23173287 A JP23173287 A JP 23173287A JP S6474532 A JPS6474532 A JP S6474532A
- Authority
- JP
- Japan
- Prior art keywords
- picture element
- electrode
- defect
- electrodes
- display driving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
PURPOSE:To surely correct a defect such as a disconnection, a short-circuit, etc., even if said defect is generated by providing in advance two pairs of display driving elements at every picture element, and distributing and connecting both these display driving elements between the picture element and a pair of line (row) electrodes being adjacent thereto. CONSTITUTION:With respect to, for instance, the center picture element electrode 12 among three pieces of picture element electrodes 11-13 arranged in the line direction, two pairs of display driving elements 51, 52 are provided, and four pieces of diodes for constituting them are placed in four corner parts of a square contour of the picture element electrode 12. As for whether a defect of the picture element exists or not, whether a disconnection and a short-circuit exist between the picture elements 11-13 and a normal line electrode 31 for them or not is checked by an automatic testing machine. In case when a defect has been detected in the picture element electrode 12, as for the picture element electrodes 11, 13 having no defect, the diode between said electrodes and a line electrode 32 is detached at a part of C1. As for the picture element electrode 12 having a defect, the diode between said electrode and the normal line electrode 31 is detached at a part shown by C2.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23173287A JPS6474532A (en) | 1987-09-16 | 1987-09-16 | Active matrix display panel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23173287A JPS6474532A (en) | 1987-09-16 | 1987-09-16 | Active matrix display panel |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6474532A true JPS6474532A (en) | 1989-03-20 |
Family
ID=16928165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP23173287A Pending JPS6474532A (en) | 1987-09-16 | 1987-09-16 | Active matrix display panel |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6474532A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04165333A (en) * | 1990-05-10 | 1992-06-11 | Seiko Instr Inc | Electro-optical device |
JP2005202031A (en) * | 2004-01-14 | 2005-07-28 | Seiko Epson Corp | Liquid crystal display device and electronic appliance |
-
1987
- 1987-09-16 JP JP23173287A patent/JPS6474532A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04165333A (en) * | 1990-05-10 | 1992-06-11 | Seiko Instr Inc | Electro-optical device |
JP2005202031A (en) * | 2004-01-14 | 2005-07-28 | Seiko Epson Corp | Liquid crystal display device and electronic appliance |
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