JPS6054169U - liquid crystal display device - Google Patents
liquid crystal display deviceInfo
- Publication number
- JPS6054169U JPS6054169U JP14611283U JP14611283U JPS6054169U JP S6054169 U JPS6054169 U JP S6054169U JP 14611283 U JP14611283 U JP 14611283U JP 14611283 U JP14611283 U JP 14611283U JP S6054169 U JPS6054169 U JP S6054169U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal display
- display device
- brightness
- electroluminescent element
- 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
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal Display Device Control (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面はいずれも本考案の一実施例を示し、第１図は外観
を示す正面図、第２図はパネルの断面図、第３図は液晶
表示パネルの表示電極を示す平面図、そして第４図は制
御回路を示すブロック図である。
１・・・第１のガラス基板、２・・・第１の表示電極、
３・・・液晶、５・・・第２のガラス基板、６・・・第
２の表示電極、８・・・第３の表示電極、９・・・金属
電極、１０・・・螢光体層、Ｌ・・・液晶表示パネル、
ＰＴ、・・・フォトトランジスタ。The drawings all show one embodiment of the present invention, and FIG. 1 is a front view showing the external appearance, FIG. 2 is a sectional view of the panel, FIG. 3 is a plan view showing display electrodes of a liquid crystal display panel, and FIG. The figure is a block diagram showing a control circuit. 1... First glass substrate, 2... First display electrode,
3... Liquid crystal, 5... Second glass substrate, 6... Second display electrode, 8... Third display electrode, 9... Metal electrode, 10... Fluorescent material Layer, L...liquid crystal display panel,
PT: Phototransistor.
Claims (1)
表示装置において、周囲の明るさを検知する回路と、電
界発光素子の輝度を周囲の明るさに応じて変化させる回
路とが、備えられたことを特徴とする液晶表示装置。 ２ 電界発光素子の輝度を変化させる回路は、周囲が明
るければ、前記電界発光素子の輝度を低下させ、周囲が
暗ければ、輝度を向上させるように動作する実用新案登
録請求の範囲第１項記載の液晶表示装置。 ３ 電界発光素子の輝度を変化させる回路は、周囲が一
定以上に明るければ、前記発光素子への通電を遮断し、
一定の明るさに満たなければ通電を開始するように動作
する実用新案登録請求の範囲第１項記載の液晶表示装置
。[Claims for Utility Model Registration] 1. In a liquid crystal display device using an electroluminescent element as a backlight, a circuit for detecting ambient brightness and a circuit for changing the luminance of the electroluminescent element according to the ambient brightness. A liquid crystal display device comprising: 2. The circuit for changing the brightness of an electroluminescent element operates to reduce the brightness of the electroluminescent element when the surroundings are bright, and to increase the brightness when the surroundings are dark.Claim 1 of the Utility Model Registration Claim: The liquid crystal display device described. 3. The circuit that changes the brightness of the electroluminescent element cuts off the power to the light emitting element if the surrounding area is brighter than a certain level,
The liquid crystal display device according to claim 1, which operates to start energizing when the brightness does not reach a certain level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14611283U JPS6054169U (en) | 1983-09-20 | 1983-09-20 | liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14611283U JPS6054169U (en) | 1983-09-20 | 1983-09-20 | liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6054169U true JPS6054169U (en) | 1985-04-16 |
Family
ID=30325330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14611283U Pending JPS6054169U (en) | 1983-09-20 | 1983-09-20 | liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6054169U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS623586A (en) * | 1985-06-28 | 1987-01-09 | Matsushita Electric Ind Co Ltd | Video display device |
| JPS6461792A (en) * | 1987-09-01 | 1989-03-08 | Canon Kk | Display device having cold cathode tube |
-
1983
- 1983-09-20 JP JP14611283U patent/JPS6054169U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS623586A (en) * | 1985-06-28 | 1987-01-09 | Matsushita Electric Ind Co Ltd | Video display device |
| JPS6461792A (en) * | 1987-09-01 | 1989-03-08 | Canon Kk | Display device having cold cathode tube |
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