JPH02143883U - - Google Patents
Info
- Publication number
- JPH02143883U JPH02143883U JP5271689U JP5271689U JPH02143883U JP H02143883 U JPH02143883 U JP H02143883U JP 5271689 U JP5271689 U JP 5271689U JP 5271689 U JP5271689 U JP 5271689U JP H02143883 U JPH02143883 U JP H02143883U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- outputs
- control circuit
- channel
- synchronization control
- 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 6
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Landscapes
- Liquid Crystal Display Device Control (AREA)
- Transforming Electric Information Into Light Information (AREA)
Description
第1図及び第2図は本考案の一実施例を示すも
ので、第1図は回路構成を示すブロツク図、第2
図は動作を説明するためのタイミングチヤート、
第3図は従来における液晶テレビの構成を示すブ
ロツク図、第4図は第3図の動作を説明するため
の液晶駆動電圧合成波形と液晶の光透過率との関
係を示す図である、
1…アンテナ、2…チユーナ、3…テレビリニ
ア回路、4…A/D変換回路、5…同期制御回路
、6…セグメント駆動回路、7…コモン電極駆動
回路、8…液晶パネル、11…マルチプレクサ。
Figures 1 and 2 show an embodiment of the present invention, with Figure 1 being a block diagram showing the circuit configuration, and Figure 2 being a block diagram showing the circuit configuration.
The figure is a timing chart to explain the operation.
FIG. 3 is a block diagram showing the configuration of a conventional liquid crystal television, and FIG. 4 is a diagram showing the relationship between the liquid crystal driving voltage composite waveform and the light transmittance of the liquid crystal to explain the operation of FIG. 3. ...Antenna, 2...Tuner, 3...TV linear circuit, 4...A/D conversion circuit, 5...Synchronization control circuit, 6...Segment drive circuit, 7...Common electrode drive circuit, 8...Liquid crystal panel, 11...Multiplexer.
Claims (1)
る液晶表示装置において、 フレームの偶奇に応じたフレーム識別信号を出
力する同期制御回路と、 表示用デジタル画像データを入力する第1のチ
ヤンネルと、この表示用デジタル画像データに基
づいた所定の高階調データまたは低階調データを
入力する第2のチヤンネルとを有し、上記同期制
御回路の出力するフレーム識別信号に対応して上
記第1及び第2のチヤンネルの入力データの一方
を選択して出力する選択回路とを 備えたことを特徴とする液晶表示装置。[Claim for Utility Model Registration] In a liquid crystal display device that displays images using a liquid crystal panel that responds cumulatively, there is a synchronization control circuit that outputs a frame identification signal depending on whether the frame is even or odd, and that inputs digital image data for display. It has a first channel and a second channel into which predetermined high gradation data or low gradation data based on the digital image data for display is input, and corresponds to the frame identification signal output from the synchronization control circuit. and a selection circuit that selects and outputs one of the input data of the first and second channels.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5271689U JPH02143883U (en) | 1989-05-08 | 1989-05-08 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5271689U JPH02143883U (en) | 1989-05-08 | 1989-05-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02143883U true JPH02143883U (en) | 1990-12-06 |
Family
ID=31573256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5271689U Pending JPH02143883U (en) | 1989-05-08 | 1989-05-08 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02143883U (en) |
-
1989
- 1989-05-08 JP JP5271689U patent/JPH02143883U/ja active Pending
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