JPH0262511U - - Google Patents
Info
- Publication number
- JPH0262511U JPH0262511U JP14286988U JP14286988U JPH0262511U JP H0262511 U JPH0262511 U JP H0262511U JP 14286988 U JP14286988 U JP 14286988U JP 14286988 U JP14286988 U JP 14286988U JP H0262511 U JPH0262511 U JP H0262511U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal display
- electric circuit
- display device
- power supply
- 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 3
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Liquid Crystal Display Device Control (AREA)
- Control Of Electrical Variables (AREA)
Description
第１図は本考案の一実施例の液晶表示装置を示
す回路ブロツク図、第２図は第１図の回路ブロツ
クの具体的回路例を示す回路図、第３図は従来の
液晶表示装置を示す回路ブロツク図である。
１……電気回路、２……液晶表示器、３……電
源、４……定電圧回路、５……スイツチ、６……
光検出センサ、７……ダイオード、８……フオト
トランジスタ、９……光。
FIG. 1 is a circuit block diagram showing a liquid crystal display device according to an embodiment of the present invention, FIG. 2 is a circuit diagram showing a specific circuit example of the circuit block in FIG. 1, and FIG. 3 is a circuit diagram showing a conventional liquid crystal display device. FIG. 1... Electric circuit, 2... Liquid crystal display, 3... Power source, 4... Constant voltage circuit, 5... Switch, 6...
Light detection sensor, 7...diode, 8...phototransistor, 9...light.
Claims (1)
加される電源とを備えた液晶表示装置において、
外光が照射されていないときは前記電気回路に印
加される電源電圧を下げる手段を設けたことを特
徴とする液晶表示装置。 In a liquid crystal display device that includes an electric circuit that performs liquid crystal display and a power supply that is applied to this electric circuit,
A liquid crystal display device comprising means for lowering a power supply voltage applied to the electric circuit when no external light is irradiated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14286988U JPH0262511U (en) | 1988-10-31 | 1988-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14286988U JPH0262511U (en) | 1988-10-31 | 1988-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0262511U true JPH0262511U (en) | 1990-05-10 |
Family
ID=31409184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14286988U Pending JPH0262511U (en) | 1988-10-31 | 1988-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0262511U (en) |
-
1988
- 1988-10-31 JP JP14286988U patent/JPH0262511U/ja active Pending
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