KR960025290A - Light Intensity Control Device for Ambient Light Adaptive Light Emitting Display - Google Patents

Light Intensity Control Device for Ambient Light Adaptive Light Emitting Display Download PDF

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Publication number
KR960025290A
KR960025290A KR1019940039649A KR19940039649A KR960025290A KR 960025290 A KR960025290 A KR 960025290A KR 1019940039649 A KR1019940039649 A KR 1019940039649A KR 19940039649 A KR19940039649 A KR 19940039649A KR 960025290 A KR960025290 A KR 960025290A
Authority
KR
South Korea
Prior art keywords
emitting display
light emitting
illuminance
light
display device
Prior art date
Application number
KR1019940039649A
Other languages
Korean (ko)
Inventor
김성준
Original Assignee
배순훈
대우전자 주식회사
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 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019940039649A priority Critical patent/KR960025290A/en
Publication of KR960025290A publication Critical patent/KR960025290A/en

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • F21V23/0464—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the level of ambient illumination, e.g. dawn or dusk sensors
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/005—Illumination controller or illuminated signs including an illumination control system
    • 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
    • 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
    • G09F2013/222—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent with LEDs

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

본 발명은 주변조도 적응형 발광표시소자의 광강도 조절장치에 관한 것으로, 현재의 동작상태의 표시 또는 선택되는 기능의 표시를 위해 발광표시조자(LED)를 사용하는 텔레비젼에 있어서 해당 텔레비젼이 설치된 장소의 주변의 조도를 검출하는 조도검출수단과, 상기 조도검출수단에서 검출된 주변조도에 따라 상기 발광표시소자를 구동하기 위한 제어신호를 출력하는 마이컴수단, 상기 마이컴수단에서 출력되는 제어신호에 의해 상기 발광표시소자를 구동하는 발광표시소자 구동수단을 갖추어 구성되고, 마이컴수단이 발광표시소자를 주변조도에 비례하여 그 발광표시소자의 광강도를 강 중 약으로 조절함으로써 주변의 조도가 변화되는 경우에도 발광표시소자에 의한 표시 내용의 식별이 용이하도록 된 것이다.BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to an apparatus for adjusting light intensity of an ambient light adaptive light emitting display device, the place where the television is installed in a television using a light emitting display modulator (LED) for display of a current operating state or display of a selected function. The illuminance detecting means for detecting illuminance around the light source, a microcomputer means for outputting a control signal for driving the light emitting display element according to the peripheral illuminance detected by the illuminance detecting means, and a control signal output from the micom means. And a light emitting display element driving means for driving the light emitting display element, and the microcomputer means adjusts the light intensity of the light emitting display element to about weak in intensity in proportion to the peripheral illuminance, so that the peripheral illuminance changes. The display content can be easily identified by the light emitting display device.

Description

주변조도 적응형 발광표시소자의 광강도 조절장치Light Intensity Control Device for Ambient Light Adaptive Light Emitting Display

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 주변조도 적응형 발광표시소자의 광강도조절장치가 텔레비젼에 적용된 예를 나타낸 블럭구성도, 제2도는 제1도에 도시된 주변조도검출부의 상세한 구성을 나타낸 회로도, 제3도는 제1도에 도시된 발광표시소자구동부의 구성예를 설명하는 도면, 제4도는 본 발명에 따른 주변조도 적응형 발광표시소자의 광강도 조절장치의 동작을 설명하는 흐름도.1 is a block diagram showing an example in which the light intensity control device of the peripheral illumination adaptive light emitting display device according to the present invention is applied to a television, and FIG. 2 is a circuit diagram showing the detailed configuration of the peripheral illumination detection unit shown in FIG. 3 is a view for explaining an example of the configuration of the light emitting display device driver shown in FIG. 1, and FIG. 4 is a flowchart for explaining the operation of the light intensity control device of the peripheral illumination adaptive light emitting display device according to the present invention.

Claims (4)

현재의 동작상태의 표시 또는 선택되는 기능의 표시를 위해 발광표시조자(LED)를 사용하는 전자기기에 있어서 해당 전자기기 설치된 장소의 주변의 조도를 검출하는 조도검출수단과, 상기 조도검출수단에서 검출된 주변조도에 따라 상기 발광표시소자를 구동하기 위한 제어신호를 출력하는 마이컴수단, 상기 마이컴수단에서 출력되는 제어신호에 의해 상기 발광표시소자를 구동하는 발광표시소자 구동수단을 갖추어 구성된 것을 특징으로 하는 주변조도 적응형 발광표시소자의 광강도 조절장치.Illumination detecting means for detecting the illuminance of the periphery of the place where the electronic device is installed, in the electronic device using the light emitting display illuminator (LED) for displaying the present operating state or displaying the selected function; and detecting the illuminance detecting means. And a light emitting display element driving means for driving the light emitting display element by a control signal output from the microcomputer means, the microcomputer means for outputting a control signal for driving the light emitting display element according to the ambient illumination. A light intensity control device for an ambient light adaptive light emitting display device. 제1항에 있어서, 상기 조도검출수단은 해당 텔레비젼의 전면패널에 설치되어 주변조도의 밝기에 따라 저항치가 상승되는 조도검출센서와, 그 조도검출센서에서 검출되는 주변조도신호가 일측 입력단에 인가되고 그 타측 입력단에는 최대의 기준전압이 설정되도록 분압저항이 접속된 제1비교기와, 상기 조도검출센서에서 검출되는 주변조도신호가 일측 입력단에 인가되고 그 타측 입력단에는 중간의 기준전압이 설정되도록 분압저항이 접속된 제2비교기 및, 상기 조도검출센서에서 검출되는 주변조도신호가 일측 입력단에 인가되고 그 타측 입력단에는 최대의 기준전압이 설정되도록 분압저항이 접속된 제3비교기를 포함하여 구성된 것을 특징으로 하는 주변조도 적응형 발광표시소자의 광강도 조절장치.According to claim 1, wherein the illuminance detecting means is installed on the front panel of the television, the illuminance detection sensor for increasing the resistance value according to the brightness of the ambient illuminance, and the peripheral illuminance signal detected by the illuminance detection sensor is applied to one input terminal; A first comparator connected to a voltage divider resistor to set a maximum reference voltage at the other input terminal, and a peripheral illuminance signal detected by the illuminance detection sensor is applied to one input terminal, and a voltage divider resistor is set so that an intermediate reference voltage is set at the other input terminal. And a third comparator connected to the connected second comparator and a peripheral illuminance signal detected by the illuminance detection sensor to one input terminal and a voltage divider connected to the other input terminal to set a maximum reference voltage. Light intensity control device for an ambient light adaptive display device. 제1항에 있어서, 상기 마이컴수단은 상기 조도검출수단에서 검출되는 주변조도에 비례하여 상기 발광표시소자의 광강도가 강 중 약으로 발광되도록 하기 위한 PWM제어신호를 출력하는 것을 특징으로 하는 주변조도 적응형 발광표시소자의 광강도 조절장치.The peripheral illuminance according to claim 1, wherein the microcomputer means outputs a PWM control signal for causing the light intensity of the light emitting display device to emit light at a weak intensity in proportion to the peripheral illuminance detected by the illuminance detecting means. Light intensity control device for adaptive light emitting display device. 제1항에 있어서, 상기 발광표시소자 구동수단은 상기 마이컴수단으로부터 PWM제어신호가 인가되고 에미터측에 상기 발광표시소자가 접속되어 상기 발광표시소자의 광강도가 조절되는 형태로 그 PWM제어신호에 의해 구동되는 스위칭 트랜지스터로 구성된 것을 특징으로 하는 주변조도 적응형 발광표시소자의 광강도 조절장치.2. The light emitting display device driving means according to claim 1, wherein a PWM control signal is applied from the microcomputer means and the light emitting display device is connected to an emitter so that the light intensity of the light emitting display device is adjusted. Light intensity control device of the peripheral illumination adaptive light emitting display device, characterized in that consisting of a switching transistor driven by. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940039649A 1994-12-30 1994-12-30 Light Intensity Control Device for Ambient Light Adaptive Light Emitting Display KR960025290A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940039649A KR960025290A (en) 1994-12-30 1994-12-30 Light Intensity Control Device for Ambient Light Adaptive Light Emitting Display

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Application Number Priority Date Filing Date Title
KR1019940039649A KR960025290A (en) 1994-12-30 1994-12-30 Light Intensity Control Device for Ambient Light Adaptive Light Emitting Display

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030028982A (en) * 2001-10-05 2003-04-11 이인태 Light emitting pad device and clothing comprising thereof
KR101468946B1 (en) * 2013-07-16 2014-12-05 유한회사 청텍 earphone having CDS sensor and method Thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030028982A (en) * 2001-10-05 2003-04-11 이인태 Light emitting pad device and clothing comprising thereof
KR101468946B1 (en) * 2013-07-16 2014-12-05 유한회사 청텍 earphone having CDS sensor and method Thereof

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