JPH0360395U - - Google Patents
Info
- Publication number
- JPH0360395U JPH0360395U JP12057289U JP12057289U JPH0360395U JP H0360395 U JPH0360395 U JP H0360395U JP 12057289 U JP12057289 U JP 12057289U JP 12057289 U JP12057289 U JP 12057289U JP H0360395 U JPH0360395 U JP H0360395U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- electrode row
- display panel
- projector
- common electrode
- 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 11
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図は本考案の液晶プロジエクタに用いる液
晶パネルの外観図、第２図は本考案の実施例にお
ける液晶駆動回路を示す回路図、第３図は本考案
の実施例におけるアクテイブパネルの液晶駆動回
路を示す回路図、第４図は本考案の実施例におけ
る選択回路を示す回路図、第５図ａ，ｂは本考案
の液晶プロジエクタを用いるカラープロジエクタ
の光学系を示す構成図、第６図ａ，ｂは従来例の
液晶プロジエクタの投影方法を示す説明図である
。
１２……液晶駆動回路、３４……セグメント用
選択回路、３６……共通電極用選択回路。
Fig. 1 is an external view of a liquid crystal panel used in the liquid crystal projector of the present invention, Fig. 2 is a circuit diagram showing a liquid crystal drive circuit in an embodiment of the present invention, and Fig. 3 is a liquid crystal drive of an active panel in an embodiment of the present invention. FIG. 4 is a circuit diagram showing the selection circuit in the embodiment of the present invention; FIGS. 5 a and b are block diagrams showing the optical system of a color projector using the liquid crystal projector of the present invention; FIG. Figures a and b are explanatory diagrams showing a projection method of a conventional liquid crystal projector. 12...Liquid crystal drive circuit, 34...Segment selection circuit, 36...Common electrode selection circuit.
Claims (1)
液晶表示パネルの表示像をスクリーン面に拡大投
影する液晶プロジエクタにおいて、前記共通電極
列とセグメント電極列に信号をセツトする順序を
それぞれ各電極列の順方向、逆方向の両方可能に
し、前記液晶表示パネルに上下・左右方向の異な
る４つのパターンの表示像を表示できる液晶駆動
回路と、該パターンの１つを選択する選択回路を
備えた事を特徴とする液晶プロジエクタ。 In a liquid crystal projector that enlarges and projects a display image of a transmissive liquid crystal display panel having a common electrode row and a segment electrode row on a screen surface, the order in which signals are set in the common electrode row and the segment electrode row is set in the forward direction of each electrode row. , a liquid crystal drive circuit capable of displaying images in four different patterns in the vertical and horizontal directions on the liquid crystal display panel, and a selection circuit for selecting one of the patterns. LCD projector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12057289U JPH0360395U (en) | 1989-10-17 | 1989-10-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12057289U JPH0360395U (en) | 1989-10-17 | 1989-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0360395U true JPH0360395U (en) | 1991-06-13 |
Family
ID=31668645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12057289U Pending JPH0360395U (en) | 1989-10-17 | 1989-10-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0360395U (en) |
-
1989
- 1989-10-17 JP JP12057289U patent/JPH0360395U/ja active Pending
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