JPS6417527U - - Google Patents
Info
- Publication number
- JPS6417527U JPS6417527U JP11221887U JP11221887U JPS6417527U JP S6417527 U JPS6417527 U JP S6417527U JP 11221887 U JP11221887 U JP 11221887U JP 11221887 U JP11221887 U JP 11221887U JP S6417527 U JPS6417527 U JP S6417527U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- panel
- crystal display
- display panel
- heater
- 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 13
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims 1
- 238000005286 illumination Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
Landscapes
- Instrument Panels (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図はこの考案の一実施例を示す断面図、第
２図はこの考案の一実施例を示す液晶表示パネル
の背面図、第３図は本考案の一実施例を示す回路
図、第４図は従来の透過型採光方式の液晶式計器
板を示す断面図である。
図において、１は外箱、２は前面ガラス、３は
液晶表示パネル、４は照明灯、５は液晶制御用プ
リント板、６は液晶表示パネルの有効表示区劃、
７は発熱体、８は透明絶縁シート、９はヒータ、
１０は温度センサ、１１は制御回路プリント板で
ある。なお、各図中同一符号は同一または相当部
分を示す。
Fig. 1 is a sectional view showing an embodiment of this invention, Fig. 2 is a rear view of a liquid crystal display panel showing an embodiment of this invention, and Fig. 3 is a circuit diagram showing an embodiment of this invention. FIG. 4 is a cross-sectional view showing a conventional transmissive lighting type liquid crystal instrument panel. In the figure, 1 is an outer box, 2 is a front glass, 3 is a liquid crystal display panel, 4 is a lighting lamp, 5 is a printed board for liquid crystal control, 6 is an effective display area of the liquid crystal display panel,
7 is a heating element, 8 is a transparent insulating sheet, 9 is a heater,
10 is a temperature sensor, and 11 is a control circuit printed board. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
を設けた液晶式計器板において、 前記液晶表示パネルの有効表示区劃の周縁を囲
繞する薄い帯状導体からなる発熱体を透明絶縁シ
ートで両面から接合し前記液晶パネルの背面に設
けたヒータと、液晶パネルの中央部の有効表示区
劃を避けた位置に設けた温度センサと、温度セン
サの出力と液晶表示パネルの作動温度の規定値を
比較し、前記ヒータの電流を制御する制御回路と
を備えた液晶式計器板。[Scope of Claim for Utility Model Registration] In a liquid crystal instrument panel having a liquid crystal display panel and an illumination light provided on the back side for illuminating the liquid crystal display panel, a heating element made of a thin strip-shaped conductor surrounding the periphery of the effective display area of the liquid crystal display panel. A heater is connected from both sides with a transparent insulating sheet and installed on the back of the liquid crystal panel, a temperature sensor is installed at a position avoiding the effective display area in the center of the liquid crystal panel, and the output of the temperature sensor and the temperature of the liquid crystal display panel are connected. A liquid crystal instrument panel comprising a control circuit that compares a specified value of operating temperature and controls the current of the heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11221887U JPS6417527U (en) | 1987-07-22 | 1987-07-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11221887U JPS6417527U (en) | 1987-07-22 | 1987-07-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6417527U true JPS6417527U (en) | 1989-01-27 |
Family
ID=31350955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11221887U Pending JPS6417527U (en) | 1987-07-22 | 1987-07-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6417527U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52101058A (en) * | 1976-02-20 | 1977-08-24 | Hitachi Ltd | Liquid crystal display device |
| JPS59100484A (en) * | 1982-11-30 | 1984-06-09 | セイコーインスツルメンツ株式会社 | Transmission type display unit |
-
1987
- 1987-07-22 JP JP11221887U patent/JPS6417527U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52101058A (en) * | 1976-02-20 | 1977-08-24 | Hitachi Ltd | Liquid crystal display device |
| JPS59100484A (en) * | 1982-11-30 | 1984-06-09 | セイコーインスツルメンツ株式会社 | Transmission type display unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6417527U (en) | ||
| GB2184573A (en) | A dashboard clock | |
| JP4371181B2 (en) | Lighting device | |
| JPS62158425U (en) | ||
| JPH019978Y2 (en) | ||
| JPH0167131U (en) | ||
| JPS5937144U (en) | Dimmer device for vehicle display device | |
| JPH0285421U (en) | ||
| JPS6179407U (en) | ||
| JPH0319208U (en) | ||
| JPH0523147Y2 (en) | ||
| JPS6326875U (en) | ||
| JPS6168413U (en) | ||
| JPS634519U (en) | ||
| JPS6212550U (en) | ||
| JPS6269281U (en) | ||
| JPS6376821U (en) | ||
| JPH06160844A (en) | Lighting device for liquid crystal display panel | |
| JPH0441427U (en) | ||
| JPS6372987U (en) | ||
| JPS58115782U (en) | liquid crystal display device | |
| JPS6341183U (en) | ||
| JPS58172974U (en) | liquid crystal display device | |
| JPS61177935U (en) | ||
| JPS61137996U (en) |