JPS6321924U - - Google Patents
Info
- Publication number
- JPS6321924U JPS6321924U JP11645486U JP11645486U JPS6321924U JP S6321924 U JPS6321924 U JP S6321924U JP 11645486 U JP11645486 U JP 11645486U JP 11645486 U JP11645486 U JP 11645486U JP S6321924 U JPS6321924 U JP S6321924U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal display
- light
- display element
- illumination lamp
- 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
- 239000004973 liquid crystal related substance Substances 0.000 claims description 9
- 238000005286 illumination Methods 0.000 claims 4
- 230000004397 blinking Effects 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 description 1
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図は本考案よりなる液晶表示装置の実施例
を示した説明図、第２図及び第３図は夫々の従来
例を示した説明図である。
１１…液晶表示素子、１２…導光板、１３…拡
散板、１４…光源、１５…電源、１６…自動輝度
制御回路、１７…受光素子。
FIG. 1 is an explanatory view showing an embodiment of a liquid crystal display device according to the present invention, and FIGS. 2 and 3 are explanatory views showing respective conventional examples. DESCRIPTION OF SYMBOLS 11... Liquid crystal display element, 12... Light guide plate, 13... Diffusion plate, 14... Light source, 15... Power supply, 16... Automatic brightness control circuit, 17... Light receiving element.
Claims (1)
照明用ランプからの光を前記液晶表示素子１１に
後方から均一にして供給する導光板１２とを備え
た液晶表示装置において、前記導光板１２の前側
又は後側に、前記液晶表示素子１１に外来光を供
給する半透明拡散板１３を、また該半透明拡散板
１３及び前記導光板１２の前側に、前記液晶表示
素子１１に供給される光量を検出する受光素子１
７を配設し、かつ前記液晶表示素子１１に供給さ
れる光の量が所定量になるように前記受光素子１
７からの出力に基づいて前記照明用ランプ１４の
点滅を制御するランプ駆動制御部１６を設けたこ
とを特徴とする液晶表示装置。 In a liquid crystal display device including a liquid crystal display element 11, an illumination lamp 14, and a light guide plate 12 that uniformly supplies light from the illumination lamp to the liquid crystal display element 11 from behind, the light guide plate 12 A semi-transparent diffuser plate 13 for supplying external light to the liquid crystal display element 11 is placed on the front or rear side, and a semi-transparent diffuser plate 13 is provided on the front side of the semi-transparent diffuser plate 13 and the light guide plate 12 to control the amount of light supplied to the liquid crystal display element 11. Light receiving element 1 that detects
7, and the light receiving element 1 is arranged so that the amount of light supplied to the liquid crystal display element 11 is a predetermined amount.
7. A liquid crystal display device characterized in that a lamp drive control section 16 is provided for controlling blinking of the illumination lamp 14 based on the output from the illumination lamp 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11645486U JPS6321924U (en) | 1986-07-29 | 1986-07-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11645486U JPS6321924U (en) | 1986-07-29 | 1986-07-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6321924U true JPS6321924U (en) | 1988-02-13 |
Family
ID=31001058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11645486U Pending JPS6321924U (en) | 1986-07-29 | 1986-07-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6321924U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011096148A1 (en) * | 2010-02-08 | 2011-08-11 | シャープ株式会社 | Liquid-crystal display device |
-
1986
- 1986-07-29 JP JP11645486U patent/JPS6321924U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011096148A1 (en) * | 2010-02-08 | 2011-08-11 | シャープ株式会社 | Liquid-crystal display device |
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