JPS6442635A - Active matrix type display element - Google Patents
Active matrix type display elementInfo
- Publication number
- JPS6442635A JPS6442635A JP62199032A JP19903287A JPS6442635A JP S6442635 A JPS6442635 A JP S6442635A JP 62199032 A JP62199032 A JP 62199032A JP 19903287 A JP19903287 A JP 19903287A JP S6442635 A JPS6442635 A JP S6442635A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- shielding film
- picture element
- accumulation capacity
- titled
- 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.)
- Granted
Links
Abstract
PURPOSE:To prevent the deterioration of the surface quality in the titled element by forming a light shielding film composed of a conductive substance on a part where the semiconductor layer of an active device is not shielded by an electrode, a part where the electrode is not provided and a part of a picture element electrode, respectively. CONSTITUTION:The shielding film 9 for the shielding film, the accumulation capacity and the black matrix is used for the accumulation capacity by being connected with an external terminal. Namely, the shielding film is mounted on the part 11 where a source electrode or a drain electrode is not formed. And, the picture element electrode for display, the part 12 forming the accumulation capacity faced to the part of said electrode and the part 13 constituting of the black matrix, namely the part 13 except an opaque gate electrode, the source electrode, the drain electrode and the transparent picture element electrode for display, are covered with the shielding film, respectively. Thus, the increase of an off-state current is suppressed at the time of a light state of the titled element, thereby enabling the stable driving and preventing the reduction of contrast in the titled element.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62199032A JP2536766B2 (en) | 1987-08-11 | 1987-08-11 | Active matrix display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62199032A JP2536766B2 (en) | 1987-08-11 | 1987-08-11 | Active matrix display device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6442635A true JPS6442635A (en) | 1989-02-14 |
JP2536766B2 JP2536766B2 (en) | 1996-09-18 |
Family
ID=16400980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62199032A Expired - Lifetime JP2536766B2 (en) | 1987-08-11 | 1987-08-11 | Active matrix display device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2536766B2 (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0219840A (en) * | 1988-07-08 | 1990-01-23 | Hitachi Ltd | Manufacture of active matrix panel |
JPH0469622A (en) * | 1990-07-10 | 1992-03-04 | Nec Corp | Active matrix type liquid crystal display device |
US5130829A (en) * | 1990-06-27 | 1992-07-14 | U.S. Philips Corporation | Active matrix liquid crystal display devices having a metal light shield for each switching device electrically connected to an adjacent row address conductor |
JPH04319920A (en) * | 1991-04-19 | 1992-11-10 | Sharp Corp | Active matrix liquid crystal display |
US5237436A (en) * | 1990-12-14 | 1993-08-17 | North American Philips Corporation | Active matrix electro-optic display device with light shielding layer and projection and color employing same |
US5245450A (en) * | 1990-07-23 | 1993-09-14 | Hosiden Corporation | Liquid crystal display device with control capacitors for gray-scale |
US5426313A (en) * | 1993-04-22 | 1995-06-20 | Nec Corporation | Thin film transistor array having optical shield layer |
JPH0815670A (en) * | 1994-06-28 | 1996-01-19 | Nec Corp | Active matrix type liquid crystal display device |
US5499123A (en) * | 1992-10-27 | 1996-03-12 | Nec Corporation | Active matrix liquid crystal display cell with light blocking capacitor electrode above insulating layer |
JP2000284722A (en) * | 1999-01-29 | 2000-10-13 | Semiconductor Energy Lab Co Ltd | Semiconductor device and its manufacture |
JP2013008955A (en) * | 2011-05-24 | 2013-01-10 | Semiconductor Energy Lab Co Ltd | Semiconductor device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6068326A (en) * | 1984-07-16 | 1985-04-18 | Canon Inc | Thin film transistor substrate |
JPS60133493A (en) * | 1983-12-21 | 1985-07-16 | 三菱電機株式会社 | Matrix type liquid crystal display |
JPS60207116A (en) * | 1984-03-31 | 1985-10-18 | Toshiba Corp | Display electrode array |
-
1987
- 1987-08-11 JP JP62199032A patent/JP2536766B2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60133493A (en) * | 1983-12-21 | 1985-07-16 | 三菱電機株式会社 | Matrix type liquid crystal display |
JPS60207116A (en) * | 1984-03-31 | 1985-10-18 | Toshiba Corp | Display electrode array |
JPS6068326A (en) * | 1984-07-16 | 1985-04-18 | Canon Inc | Thin film transistor substrate |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0219840A (en) * | 1988-07-08 | 1990-01-23 | Hitachi Ltd | Manufacture of active matrix panel |
US5130829A (en) * | 1990-06-27 | 1992-07-14 | U.S. Philips Corporation | Active matrix liquid crystal display devices having a metal light shield for each switching device electrically connected to an adjacent row address conductor |
JPH0469622A (en) * | 1990-07-10 | 1992-03-04 | Nec Corp | Active matrix type liquid crystal display device |
US5245450A (en) * | 1990-07-23 | 1993-09-14 | Hosiden Corporation | Liquid crystal display device with control capacitors for gray-scale |
US5321535A (en) * | 1990-07-23 | 1994-06-14 | Hosiden Corporation | Liquid crystal display device with control capacitors for gray scale |
US5237436A (en) * | 1990-12-14 | 1993-08-17 | North American Philips Corporation | Active matrix electro-optic display device with light shielding layer and projection and color employing same |
JPH04319920A (en) * | 1991-04-19 | 1992-11-10 | Sharp Corp | Active matrix liquid crystal display |
US5499123A (en) * | 1992-10-27 | 1996-03-12 | Nec Corporation | Active matrix liquid crystal display cell with light blocking capacitor electrode above insulating layer |
US5426313A (en) * | 1993-04-22 | 1995-06-20 | Nec Corporation | Thin film transistor array having optical shield layer |
JPH0815670A (en) * | 1994-06-28 | 1996-01-19 | Nec Corp | Active matrix type liquid crystal display device |
JP2000284722A (en) * | 1999-01-29 | 2000-10-13 | Semiconductor Energy Lab Co Ltd | Semiconductor device and its manufacture |
JP2013008955A (en) * | 2011-05-24 | 2013-01-10 | Semiconductor Energy Lab Co Ltd | Semiconductor device |
Also Published As
Publication number | Publication date |
---|---|
JP2536766B2 (en) | 1996-09-18 |
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