JP3259306B2 - Display device - Google Patents
Display deviceInfo
- Publication number
- JP3259306B2 JP3259306B2 JP02353692A JP2353692A JP3259306B2 JP 3259306 B2 JP3259306 B2 JP 3259306B2 JP 02353692 A JP02353692 A JP 02353692A JP 2353692 A JP2353692 A JP 2353692A JP 3259306 B2 JP3259306 B2 JP 3259306B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- light emitting
- display device
- emitting element
- film
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
- G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
Landscapes
- Central Heating Systems (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、電気器具等の表示装置
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device such as an electric appliance.
【０００２】[0002]
【従来の技術】従来のこの種の技術について図３を参照
しながら説明する。2. Description of the Related Art A conventional technique of this type will be described with reference to FIG.
【０００３】図３に示すように従来の表示装置１は、表
示装置１の表面材としてのポリエステル等の半透光性フ
ィルム２と、その半透光性フィルム２の下方に配置され
た温度設定，タイマー設定等の表示を行うためのＬＥＤ
等の複数個の発光素子３と、その発光素子３の上方を除
く前記半透光性フィルム２の下面に設けたベース色塗膜
４と、表示装置１の周囲の明るさを検知するため半透光
性フィルム２の下方に配置されたフォトトランジスタ，
ＣｄＳ等の受光素子５と、前記受光素子５によって検知
された表示装置１の周囲の明るさに対応して前記複数個
の発光素子３の明るさを自動的に調整する制御回路６と
からなっている。As shown in FIG. 3, a conventional display device 1 has a semi-transparent film 2 such as polyester as a surface material of the display device 1 and a temperature setting device disposed below the semi-transparent film 2. LED for displaying timer settings, etc.
And the like, a base color coating film 4 provided on the lower surface of the semi-translucent film 2 excluding the upper side of the light emitting element 3, and a half-light sensor for detecting the brightness around the display device 1. A phototransistor disposed below the translucent film 2,
A light receiving element 5 such as CdS and a control circuit 6 for automatically adjusting the brightness of the plurality of light emitting elements 3 according to the brightness around the display device 1 detected by the light receiving element 5. ing.
【０００４】上記構成において、温度設定，タイマー設
定等の表示のための複数個の発光素子３が点灯したとき
に、複数個の発光素子３から発する光が半透光性フィル
ム２およびベース色塗膜４を介して発光素子の近傍に配
置された受光素子５に伝わるため、受光素子５の受光量
に影響を及ぼしてしまい、受光素子５は、発光素子３の
点灯時には表示装置１周囲の明るさを実際の明るさより
明るく検知し、受光素子３の消灯時には表示装置１周囲
の実際の明るさを検知するため、表示装置１周囲の明る
さを正確に検知することができないようになっていた。In the above configuration, when a plurality of light emitting elements 3 for displaying a temperature setting, a timer setting, and the like are turned on, light emitted from the plurality of light emitting elements 3 is applied to the semi- transparent film 2 and the base color coating. Since the light is transmitted to the light receiving element 5 disposed near the light emitting element via the film 4, the amount of light received by the light receiving element 5
The light receiving element 5 detects the brightness around the display device 1 more brightly than the actual brightness when the light emitting element 3 is turned on, and detects the actual brightness around the display device 1 when the light receiving element 3 is turned off. In order to detect the brightness, the brightness around the display device 1 cannot be accurately detected.
【０００５】[0005]
【発明が解決しようとする課題】このような従来の表示
装置では、温度設定，タイマー設定等の表示のための複
数個の発光素子から発する光が半透光性フィルムおよび
ベース色塗膜を介して発光素子の近傍に配置された受光
素子に伝わるため、受光素子５の受光量に影響を及ぼし
てしまい、受光素子は発光素子の点灯時には表示装置周
囲の明るさを実際の明るさより明るく検知し、受光素子
の消灯時には表示装置周囲の実際の明るさを検知するた
め、表示装置周囲の明るさを正確に検知することができ
ないようになっていた。In such a conventional display device, light emitted from a plurality of light emitting elements for displaying temperature setting, timer setting, etc., is transmitted through a semi-transparent film and
Because through the base color coating transferred to the light receiving elements arranged in the vicinity of the light emitting element, will affect the amount of light received by the light receiving element 5, the light receiving element actually ambient brightness display when lighting the light emitting element , And when the light receiving element is turned off, the actual brightness around the display device is detected, so that the brightness around the display device cannot be accurately detected.
【０００６】表示装置周囲の明るさを正確に検知し、発
光素子の明るさを自動的かつ正確に調整することができ
る表示装置を安価に提供することを目的とする。An object of the present invention is to provide an inexpensive display device capable of accurately detecting the brightness around the display device and automatically and accurately adjusting the brightness of the light emitting element.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するため
に本発明の表示装置は、温度設定，タイマー設定等の表
示を行うための複数個の発光素子と、前記発光素子の近
傍に配置された受光素子と、その受光素子で検知された
周囲の明るさに対応して前記発光素子の明るさを自動的
に調整する制御回路と、前記発光素子および受光素子の
上部に配設された前記発光素子の光を透過する半透光性
フィルムとを有する表示装置において、前記半透光性フ
ィルムの裏面には、前記発光素子の上部を除く部分に形
成されたベース色の塗膜と、そのベース色の塗膜の前記
受光素子の上部を除く部分に重ねて形成された遮光性塗
膜とを一体に設けた構成よりなる。In order to achieve the above object, a display device of the present invention comprises a table for setting a temperature, setting a timer, and the like.
A plurality of light emitting elements for performing the
A light-receiving element placed beside and detected by that light-receiving element
Automatically adjusts the brightness of the light emitting element according to the surrounding brightness
And a control circuit for adjusting the light emitting element and the light receiving element.
Semi-translucent for transmitting light of the light emitting element disposed on the top
The display device having a film.
On the back of the film, the shape is
The base color coating film formed, and the base color coating film
A light-shielding coating formed over the light-receiving element except for the top
It has a structure in which the film and the film are provided integrally .
【０００８】[0008]
【作用】本発明は上記した構成により、発光素子の発光
部と受光素子への光の入射部を除く部分に遮光性のある
塗膜をベース色の塗膜と一体に設けているため、発光素
子から発する光が半透光性フィルムおよびベース色塗膜
を介して近傍の受光素子に伝わるため、受光素子５の受
光量に影響を及ぼさないので、表示装置周囲の明るさを
正確に検知し、発光素子の明るさを自動的かつ正確に調
整できるとともに、遮光性のある塗膜をベース色の塗膜
と一体に形成しているため、構成が簡単で安価に製造で
きるものである。 According to the present invention, the light emission of the light emitting element is achieved by the above-described structure.
The part excluding the part where light enters the light receiving element
Because the coating is provided integrally with the base color coating,
Semi-transparent film and base color coating film
To the nearby light receiving element via the
Since it does not affect the amount of light, the brightness around the display
Accurately detect the brightness of the light-emitting element automatically and accurately.
The base color coating can be adjusted and a light-shielding coating
Since it is integrally formed with the
It can be.
【０００９】[0009]
【実施例】以下、本発明の一実施例について図１および
図２を参照しながら説明する。図１に示すように、この
表示装置１には、温度設定，タイマー設定等の表示を行
うための複数個のＬＥＤ等の発光素子３と、その発光素
子３より発する光を透過するポリエステル等の半透光性
フィルム２と、その半透光性フィルム２の裏面の発光素
子３の発光部を除く部分に形成されたベース色の塗膜４
と、そのベース色の塗膜４の発光素子３の発光部と周辺
の光を検知するフォトトランジスタ等の受光素子５への
光の入射部を除く部分に重ねて一体に形成された遮光性
塗膜７と、受光素子５によって検知された表示装置１周
囲の明るさに対応して上記複数個の発光素子３の明るさ
を自動的に調整する制御回路６とを有している。８は表
示パネルである。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. As shown in FIG. 1, the display device 1 includes a plurality of light emitting elements 3 such as LEDs for displaying a temperature setting, a timer setting, and the like, and a polyester or the like that transmits light emitted from the light emitting elements 3. A semi-translucent film 2 and a base color coating film 4 formed on a portion of the back surface of the semi-translucent film 2 excluding a light emitting portion of the light emitting element 3
And a light-shielding coating formed integrally with the light-emitting portion of the light-emitting element 3 of the coating film 4 of the base color and a portion other than the light-entering portion of the light-receiving element 5 such as a phototransistor for detecting ambient light. It has a film 7 and a control circuit 6 for automatically adjusting the brightness of the plurality of light emitting elements 3 according to the brightness around the display device 1 detected by the light receiving element 5. 8 is a display panel.
【００１０】上記構成において、発光素子３の発光部と
受光素子５への光の入射部を除く部分に遮光性塗膜７を
設けているため、発光素子３のから発する光が半透光性
フィルム２およびベース色の塗膜４を介して近傍の受光
素子５の受光量に影響を及ぼさないので、表示装置１周
囲の明るさを正確に検知し、発光素子３の明るさを自動
的かつ正確に調整できるとともに、遮光性塗膜７をベー
ス色の塗膜４と一体に形成しているため、構成が簡単で
安価に製造できるものである。In the above configuration, since the light-shielding coating film 7 is provided on a portion other than the light-emitting portion of the light-emitting element 3 and the light incident portion on the light-receiving element 5, light emitted from the light-emitting element 3 is semi-translucent. Since the amount of light received by the nearby light receiving element 5 is not affected via the film 2 and the base color coating film 4, the brightness around the display device 1 is accurately detected, and the brightness of the light emitting element 3 is automatically and automatically determined. It can be adjusted accurately, and
Since it is formed integrally with the color coating film 4, the configuration is simple.
It can be manufactured at low cost .
【００１１】[0011]
【発明の効果】以上の実施例から明らかなように本発明
の表示装置は、複数個の発光素子と、その発光素子の上
部に配設された発光素子より発する光を透過する半透光
性フィルムと、その半透光性フィルムの裏面の前記発光
素子上部を除く部分に形成されたベース色となる塗膜
と、その塗膜上の所定部に重ねて一体に形成された遮光
性のある塗膜とを有する構成よりなるので、発光素子か
ら発する光が半透光性フィルムおよびベース色となる塗
膜を介して近傍の受光素子の受光量に影響を及ぼさない
ので、表示装置周囲の明るさを正確に検知し、発光素子
の明るさを自動的かつ正確に調整することができるとと
もに、構成が簡単で安価に製造できる表示装置を提供で
きる。 As is apparent from the above embodiments, the display device of the present invention has a plurality of light emitting elements and a semi-transparent light transmitting element which transmits light emitted from the light emitting elements disposed above the light emitting elements. A film, a coating film having a base color formed on a portion of the back surface of the semi-translucent film excluding the light emitting element upper portion, and a light-shielding film formed integrally with a predetermined portion of the coating film so as to overlap therewith. A light-emitting element
The light emitted from the translucent film and the base color
Does not affect the amount of light received by nearby light receiving elements through the film
Therefore, the brightness around the display device is accurately detected,
That the brightness of the can be adjusted automatically and accurately
In addition, it is possible to provide a display device that has a simple configuration and can be manufactured at low cost.
Wear.
【図１】本発明の一実施例における表示装置の部分断面
図FIG. 1 is a partial cross-sectional view of a display device according to an embodiment of the present invention.
【図２】図１の表示装置を含む操作パネル正面図FIG. 2 is a front view of an operation panel including the display device of FIG. 1;
【図３】従来の表示装置の部分断面図FIG. 3 is a partial cross-sectional view of a conventional display device.
１ 表示装置 ２ 半透光性フィルム ３ 発光素子 ４ ベース色塗膜 ５ フォトトランジスタ ６ 制御回路 ７ 遮光性塗膜 ８ 表示パネル DESCRIPTION OF SYMBOLS 1 Display apparatus 2 Semi-translucent film 3 Light emitting element 4 Base color coating film 5 Phototransistor 6 Control circuit 7 Light-shielding coating film 8 Display panel
フロントページの続き (56)参考文献 実開 昭62−47151（ＪＰ，Ｕ) 実開 昭62−154660（ＪＰ，Ｕ) 実開 昭63−89141（ＪＰ，Ｕ) 実開 昭63−89140（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) G09F 13/08 F24D 13/02 G09F 13/20 Continued on the front page (56) References Japanese Utility Model Showa Sho 62-47151 (JP, U) Japanese Utility Model Showa Sho 62-154660 (JP, U) Japanese Utility Model Showa 63-89141 (JP, U) Japanese Utility Model Showa 63-89140 (JP, U) , U) (58) Fields surveyed (Int. Cl. 7 , DB name) G09F 13/08 F24D 13/02 G09F 13/20
Claims (1)
ための複数個の発光素子と、前記発光素子の近傍に配置
された受光素子と、その受光素子で検知された周囲の明
るさに対応して前記発光素子の明るさを自動的に調整す
る制御回路と、前記発光素子および受光素子の上部に配
設された前記発光素子の光を透過する半透光性フィルム
とを有する表示装置において、前記半透光性フィルムの
裏面には、前記発光素子の上部を除く部分に形成された
ベース色の塗膜と、そのベース色の塗膜の前記受光素子
の上部を除く部分に重ねて形成された遮光性塗膜とを一
体に設けたことを特徴とする表示装置。1. Display of temperature setting, timer setting, etc.
And a plurality of light emitting elements for disposing in the vicinity of the light emitting element
Photodetector and surrounding light detected by the photodetector
Automatically adjust the brightness of the light emitting element according to the brightness
And a control circuit arranged above the light emitting element and the light receiving element.
Semi-translucent film that transmits light of the light emitting element provided
And a display device having the semi-translucent film.
On the back surface, formed except for the upper part of the light emitting element
Base color coating film and the light receiving element having the base color coating film
With the light-shielding coating film formed on the part excluding the upper part of
A display device provided on a body .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02353692A JP3259306B2 (en) | 1992-02-10 | 1992-02-10 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02353692A JP3259306B2 (en) | 1992-02-10 | 1992-02-10 | Display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05224613A JPH05224613A (en) | 1993-09-03 |
| JP3259306B2 true JP3259306B2 (en) | 2002-02-25 |
Family
ID=12113186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP02353692A Expired - Fee Related JP3259306B2 (en) | 1992-02-10 | 1992-02-10 | Display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3259306B2 (en) |
-
1992
- 1992-02-10 JP JP02353692A patent/JP3259306B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05224613A (en) | 1993-09-03 |
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