JPS6037587A - Image display - Google Patents
Image displayInfo
- Publication number
- JPS6037587A JPS6037587A JP58147011A JP14701183A JPS6037587A JP S6037587 A JPS6037587 A JP S6037587A JP 58147011 A JP58147011 A JP 58147011A JP 14701183 A JP14701183 A JP 14701183A JP S6037587 A JPS6037587 A JP S6037587A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal display
- image display
- light
- mirror
- 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
(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
【発明の詳細な説明】
本発明は、液晶を使ったポケットテレビに関する最近、
従来のCRTを用いたテレビに代って注目されているの
に液晶表示体を用いた平面テレビがあるところが、液晶
表示体自体は、発光素子でないため輝度を上げる必要上
、暗いところで見るためにバックフィトを用いるのが通
例である。この断面図を第1図に示す。液晶表示体10
1及びバックフィトのガラス部102及び発光体103
からなる。暗い所で観察した場合を考えると、外1一
部からの光量が期待出来ないため、104の矢印で示し
たように、バックフィトからの光量によって輝度を得る
。次に明るいところで観察する場合は、矢印105で示
した外部からの光量で見るが、この場合、液晶表示体1
01を透過した光は、バンクフィト103に吸収される
ため、全体として輝度は下がるしこの間バックフィトを
点灯してもコントラストが低下する。このため、バック
フィトを設置すると、明るい場合でのコントラストある
いは輝度が低下するという問題がある。[Detailed Description of the Invention] The present invention relates to a pocket television using a liquid crystal.
Flat TVs using liquid crystal displays are attracting attention as an alternative to TVs using conventional CRTs, but since the liquid crystal display itself is not a light emitting element, it is necessary to increase the brightness, making it difficult to view in dark places. It is customary to use backfit. This cross-sectional view is shown in FIG. Liquid crystal display 10
1 and back fit glass part 102 and light emitting body 103
Consisting of When observing in a dark place, the amount of light from the outside cannot be expected, so the brightness is obtained from the amount of light from the back fit, as shown by the arrow 104. Next, when observing in a bright place, the amount of light from the outside is indicated by the arrow 105. In this case, the liquid crystal display 1
Since the light transmitted through the back phyt 103 is absorbed by the bank phyt 103, the brightness as a whole decreases, and even if the back phyt 103 is turned on during this period, the contrast decreases. For this reason, there is a problem in that when a backfit is installed, the contrast or brightness in bright conditions decreases.
本発明はかかる欠点をのぞくものであり、バックフィト
を内蔵しながらも、明るい所での輝度を低下させない物
を提供する。第2図に本発明の実施例を示す。液晶表示
体201及びバックフィト発光体204パツクフイトの
ガラス部203.上記液晶表示体201とバックフィト
の間に%鏡面を液晶表示体にした半透光柱鏡202(商
標、マジックミラー)を設ける。これによシ、外部から
の光(矢印206方向よル入射)が、液晶表示体201
を透過後、この半透光柱鏡202の鏡面によ2−
シ反射する(矢印207)、又、バックフィト204を
点灯時は、バックフィトからの光は、半透光性鏡207
を透過するため、矢印205で示したように、液晶表示
体201を透過し、観察される。本発明のように、半透
光性鏡を、中間に設けることによp従来方法より、数倍
の輝度及びコントラストを得ることを可能にするもので
ある。The present invention eliminates these drawbacks and provides a device that does not reduce brightness in bright places even though it has a built-in back fit. FIG. 2 shows an embodiment of the present invention. The liquid crystal display body 201 and the back fit luminous body 204, the back fit glass portion 203. A semi-transparent columnar mirror 202 (trademark, Magic Mirror) whose mirror surface is a liquid crystal display is provided between the liquid crystal display 201 and the back fit. This allows light from the outside (incident in the direction of arrow 206) to
After transmitting the light, it is reflected by the mirror surface of the semi-transparent column mirror 202 (arrow 207). Also, when the back fit 204 is turned on, the light from the back fit is reflected by the semi-transparent mirror 207.
The light passes through the liquid crystal display 201 and is observed as indicated by an arrow 205. By providing a semi-transparent mirror in the middle as in the present invention, it is possible to obtain several times the brightness and contrast compared to the conventional method.
第1図は、従来の液晶表示装置の断面図第2図は、本発
明の断面図。
101.201が液晶表示体、103,204がバック
ライト、202がマジックミラーである。
以 −ト
出願人 株式会社諏訪精工舎
一゛1
代理人 弁理士最 上 務 ・
3−
≦ 第1rR
第2図FIG. 1 is a sectional view of a conventional liquid crystal display device, and FIG. 2 is a sectional view of the present invention. 101 and 201 are liquid crystal display bodies, 103 and 204 are backlights, and 202 is a one-way mirror. Applicant: Suwa Seikosha Co., Ltd. 1 Agent: Patent Attorney Mogami 3- ≦ 1rR Figure 2
Claims (1)
液晶表示体下に半透光柱鏡を設置し、該半透光柱鏡下に
、照明器を設けることを特徴とする画像表示装置。In an image display device that uses a liquid crystal display for image display,
An image display device characterized in that a semi-transparent columnar mirror is installed below a liquid crystal display, and an illuminator is provided below the semi-transparent columnar mirror.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58147011A JPS6037587A (en) | 1983-08-10 | 1983-08-10 | Image display |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58147011A JPS6037587A (en) | 1983-08-10 | 1983-08-10 | Image display |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6037587A true JPS6037587A (en) | 1985-02-26 |
Family
ID=15420527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58147011A Pending JPS6037587A (en) | 1983-08-10 | 1983-08-10 | Image display |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6037587A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3930635A1 (en) * | 1988-09-13 | 1990-03-22 | Asahi Optical Co Ltd | STILL VIDEO SYSTEM |
-
1983
- 1983-08-10 JP JP58147011A patent/JPS6037587A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3930635A1 (en) * | 1988-09-13 | 1990-03-22 | Asahi Optical Co Ltd | STILL VIDEO SYSTEM |
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