JPH05224613A - Display device - Google Patents

Display device

Info

Publication number
JPH05224613A
JPH05224613A JP4023536A JP2353692A JPH05224613A JP H05224613 A JPH05224613 A JP H05224613A JP 4023536 A JP4023536 A JP 4023536A JP 2353692 A JP2353692 A JP 2353692A JP H05224613 A JPH05224613 A JP H05224613A
Authority
JP
Japan
Prior art keywords
light
light emitting
emitting element
coating film
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.)
Granted
Application number
JP4023536A
Other languages
Japanese (ja)
Other versions
JP3259306B2 (en
Inventor
Naohito Asami
直仁 朝見
Makoto Okada
誠 岡田
Toshihiro Horikawa
利裕 堀川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP02353692A priority Critical patent/JP3259306B2/en
Publication of JPH05224613A publication Critical patent/JPH05224613A/en
Application granted granted Critical
Publication of JP3259306B2 publication Critical patent/JP3259306B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)

Abstract

PURPOSE:To make display easy to view, to accurately detect the brightness of the periphery of a display device and to automatically and accurately adjust the brightness of a light emitting element by making the contour of a display part clear and enabling a user to easily judge the turning-on and the turningoff of the light emitting element. CONSTITUTION:This device is provided with plural light emitting elements 3 for displaying the setting of temperature and the setting of a timer, a light receiving element 5 which detects the brightness of the periphery, a control circuit 6 which automatically adjusts the brightness of the light emitting element 3 corresponding to the brightness of the periphery by the light receiving element 5, and a semitransmissive film 2 which transmits light from the light emitting element 3 disposed at the upper parts of the light emitting element 3 and the light receiving element 5; and a coating film 4 of a base color which is formed at a part except the upper part of the light emitting element 3 on the back surface of the lower part of the film 2 and a light shielding coating film 7 superposed and formed n a part except a light incident part on the light receiving element 5 on the coating film 4 of the base color are provided.

Description

【発明の詳細な説明】Detailed Description of the Invention

【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 includes a semi-transparent film 2 made of polyester or the like as a surface material of the display device 1, and a temperature setting disposed below the semi-transparent film 2. LED for displaying timer setting, etc.
A plurality of light-emitting elements 3 and the like, a base color coating film 4 provided on the lower surface of the semi-transparent film 2 except above the light-emitting elements 3, and a semi-transparent film for detecting the brightness around the display device 1. A phototransistor disposed below the translucent film 2,
It comprises 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 in accordance with the ambient brightness of 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の光が半透光性フィルム２を介
してベース色塗膜４にまで広がってしまい、発光部の輪
郭がぼやけてしまうとともに、発光素子３の光が半透光
性フィルム２を介して近傍の発光素子３の表示面に影響
を及ぼしてしまい、発光素子３の点灯および消灯を使用
者が判断し難くなっていた。同様に、発光素子３の光が
発光素子の近傍に配置された受光素子５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 structure, when a plurality of light emitting elements 3 for displaying temperature setting, timer setting, etc. are turned on, the light of the plurality of light emitting elements 3 is transmitted through the semi-translucent film 2 to the base color. It spreads to the coating film 4 and the outline of the light emitting portion is blurred, and the light of the light emitting element 3 influences the display surface of the light emitting element 3 in the vicinity through the semi-translucent film 2 to emit light. It was difficult for the user to judge whether the element 3 was turned on or off. Similarly, the light of the light emitting element 3 affects the light receiving element 5 arranged in the vicinity of the light emitting element, and the light receiving element 5 detects brighter than the actual brightness around the display device 1 when the light emitting element 3 is turned on. Light receiving element 3
Since the actual brightness around the display device 1 is detected when is turned off, 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
数個の発光素子の光が半透光性フィルムを介してベース
色塗膜にまで広がってしまい、発光部の輪郭がぼやけて
しまうとともに、発光素子の光が半透光性フィルムを介
して近傍の発光素子の表示面に影響を及ぼしてしまい、
発光素子の点灯および消灯を使用者が判断し難くなって
いた。同様に、発光素子の光が発光素子の近傍に配置さ
れた受光素子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 from a plurality of light emitting elements for displaying temperature setting, timer setting, etc. is transmitted to the base color coating film through the semi-translucent film. And the outline of the light emitting portion is blurred, and the light of the light emitting element affects the display surface of the light emitting element in the vicinity through the semi-translucent film,
It was difficult for the user to judge whether the light emitting element was turned on or off. Similarly, the light of the light emitting element affects the light receiving element arranged near the light emitting element, and the light receiving element detects brighter than the actual brightness around the display device when the light emitting element is turned on, and when the light receiving element is turned off. Since the actual brightness around the display device is detected, the brightness around the display device cannot be accurately detected.

【０００６】本発明は上記課題を解決するもので、発光
部の輪郭を明確にすることおよび発光素子の点灯および
消灯を使用者が判断し易くすることにより、表示を見易
くすることと、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
きる表示装置を提供することを目的とする。The present invention solves the above problems, and makes the display easier to see by clarifying the contour of the light emitting portion and making it easier for the user to determine whether the light emitting element is turned on or off. Accurately detects ambient brightness,
An object of the present invention is to provide a display device capable of automatically and accurately adjusting the brightness of a 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、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
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形成された遮光性の
ある塗膜とを有する構成よりなる。In order to achieve the above object, a display device of the present invention comprises a plurality of light emitting elements and a semi-transmissive element that transmits light emitted from the light emitting elements arranged above the light emitting elements. A light-transmitting film, a base color coating film formed on the back surface of the semi-translucent film excluding the upper portion of the light-emitting element, and a light-shielding coating formed on a predetermined portion of the coating film. And a film.

【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
塗膜を設けているため、発光素子の光が半透光性フィル
ムを介してベース色塗膜に広がることがないので、発光
部の輪郭が明確になるとともに、発光素子の光が半透光
性フィルムを介して近傍の発光素子の表示面に影響を及
ぼさず、発光素子の点灯および消灯を使用者が判断し易
くすることができる。同様に、発光素子の光が半透光性
フィルムを介して近傍の受光素子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ものである。According to the present invention, with the above-described structure, the light-emitting element has a semi-transparent film because the light-shielding coating film is provided on the light-emitting element and the light-receiving element except the light-incident portion. Since it does not spread to the base color coating through the film, the outline of the light emitting part is clear and the light of the light emitting element does not affect the display surface of the neighboring light emitting element through the semi-translucent film. It is possible for the user to easily determine whether the light emitting element is turned on or off. Similarly, since the light of the light emitting element does not affect the light receiving element in the vicinity through the semi-transparent film, the brightness around the display device is accurately detected, and the brightness of the light emitting element is automatically and accurately determined. It can be adjusted.

【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の下部裏面の発
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 An 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 temperature setting, timer setting, and the like, and a polyester or the like that transmits light emitted from the light emitting elements 3. Semi-translucent film 2, base-color coating film 4 formed on the lower back surface of semi-transmissive film 2 excluding the light-emitting portion of light-emitting element 3, and light-emitting element of base-color coating film 4 Light receiving element 5 such as a phototransistor for detecting the light from the light emitting portion of 3 and the surrounding light
The light-shielding coating film 7 formed on the portion excluding the light incident portion to the light-receiving element 5 and the brightness of the plurality of light-emitting elements 3 corresponding to the brightness around the display device 1 detected by the light-receiving element 5. And a control circuit 6 for automatically adjusting Reference numeral 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の光が半透光性フィルム２
を介してベース色の塗膜４に広がることがないので、発
光部の輪郭が明確になるとともに、発光素子３ｂの光が
半透光性フィルム４を介して近傍の発光素子３ａの表示
面に影響を及ぼさず、発光素子３ａの点灯および消灯を
使用者が判断し易くすることができる。同様に、発光素
子３ａの光が半透光性フィルム２を介して近傍の受光素
子５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
に調整できるものである。In the above structure, the light-shielding coating film 7 is provided on the light-emitting element 3 except for the light-emitting portion and the light-receiving element 5 where the light is incident.
Since it does not spread to the base color coating film 4 through the light emitting element, the contour of the light emitting portion becomes clear, and the light of the light emitting element 3b is transmitted through the semitranslucent film 4 to the display surface of the light emitting element 3a in the vicinity. It is possible to make it easier for the user to determine whether the light emitting element 3a is turned on or off without affecting. Similarly, since the light of the light emitting element 3a does not affect the light receiving element 5 in the vicinity via the semi-translucent film 2, the brightness around the display device 1 is accurately detected and the brightness of the light emitting element 3 is detected. It can be adjusted automatically and accurately.

【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、発光素子の光が半
透光性フィルムを介してベース色塗膜部に広がることが
ないため、発光部の輪郭が明確になるとともに、発光素
子の光が半透光性フィルムを介して近傍の発光素子の表
示面に影響を及ぼさず、発光素子の点灯および消灯を使
用者が判断し易くすることにより、表示を見易くするこ
とができるとともに、発光素子の光が半透光性フィルム
を介して近傍の受光素子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-translucency that transmits light emitted from the light emitting elements arranged above the light emitting elements. A film, a base color coating film formed on a portion of the back surface of the semi-translucent film excluding the upper portion of the light-emitting element, and a light-shielding coating film formed on a predetermined portion of the coating film. Since the light of the light emitting element does not spread to the base color coating film part through the semi-translucent film, the contour of the light emitting part is clear and the light of the light emitting element is semi-transparent. Without affecting the display surface of the light emitting element in the vicinity through the light-transmitting film, by making it easier for the user to determine whether the light emitting element is turned on or off, the display can be made easier to see and the light of the light emitting element is Light reception in the vicinity via a semi-transparent film Does not affect the child, it is possible to provide a display device capable of accurately detect the brightness around the display device, automatically and accurately adjust the brightness of the light emitting element.

【図面の簡単な説明】[Brief description of drawings]

【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.

【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.

【符号の説明】[Explanation of symbols]

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 1 display device 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

Claims (2)

【特許請求の範囲】[Claims] 【請求項１】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形成された遮光性のある塗
膜とを有することを特徴とする表示装置。1. A plurality of light-emitting elements, a semi-translucent film that transmits light emitted from the light-emitting elements arranged above the light-emitting elements, and an upper portion of the light-emitting elements on the back surface of the semi-transparent film. A coating film that will be the base color formed on the part except
A display device having a light-shielding coating film formed on a predetermined portion of the coating film. 【請求項２】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、周囲の明るさを検知する受光
素子と、その受光素子による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少なくとも有
する表示装置において、前記半透光性フィルムの下部裏
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
の塗膜と、そのベース色の塗膜上の前記受光素子上の光
入射部を除く部分に重ねて形成された遮光性塗膜とを有
することを特徴とする表示装置。2. A plurality of light emitting elements for displaying temperature setting, timer setting, etc., a light receiving element for detecting ambient brightness, and the light emitting element corresponding to ambient brightness by the light receiving element. In a display device having at least a control circuit for automatically adjusting the brightness of the light-emitting element and a semi-translucent film for transmitting the light of the light-emitting element provided above the light-emitting element and the light-receiving element. The base color coating film formed on the lower back surface of the light-emitting film except the light emitting element upper part and the base color coating film on the light receiving element on the light receiving element except the light incident part A display device having a light-shielding coating film.
JP02353692A 1992-02-10 1992-02-10 Display device Expired - Fee Related JP3259306B2 (en)

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 true JPH05224613A (en) 1993-09-03
JP3259306B2 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)

Also Published As

Publication number Publication date
JP3259306B2 (en) 2002-02-25

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