KR101074906B1 - 영상표시기 및 그의 제어 방법 - Google Patents
영상표시기 및 그의 제어 방법 Download PDFInfo
- Publication number
- KR101074906B1 KR101074906B1 KR1020090059113A KR20090059113A KR101074906B1 KR 101074906 B1 KR101074906 B1 KR 101074906B1 KR 1020090059113 A KR1020090059113 A KR 1020090059113A KR 20090059113 A KR20090059113 A KR 20090059113A KR 101074906 B1 KR101074906 B1 KR 101074906B1
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- KR
- South Korea
- Prior art keywords
- value
- luminance
- user
- illuminance
- display device
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
- G09G3/3413—Details of control of colour illumination sources
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- 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
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133626—Illuminating devices providing two modes of illumination, e.g. day-night
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
- G09G2320/0646—Modulation of illumination source brightness and image signal correlated to each other
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
Abstract
Description
Claims (8)
- 영상표시기기에 있어서,상기 영상표시기기가 설치된 주변의 조도를 감지하기 위한 조도 감지부;사용자로부터 입력된 최소 희망 휘도값 및 최대 희망 휘도값을 저장하는 메모리부;상기 최소 희망 휘도값과 상기 최대 희망 휘도값 사이의 차이를 이용하여 휘도 조정 커브를 결정하고, 상기 결정된 휘도 조정 커브에 상기 감지된 주변 조도를 적용하여 휘도 조정값을 연산하는 연산부;상기 연산된 휘도 조정값에 따라 휘도를 조정하는 제어부; 및상기 조정된 휘도로 외부로부터 입력되는 영상신호를 출력하는 디스플레이부를 포함하는 것을 특징으로 하는 영상표시기기.
- 제1항에 있어서, 상기 연산부는상기 최소 희망 휘도값과 상기 최대 희망 휘도값 사이의 차이를 이용하여 상기 휘도 조정 커브의 기울기를 조정하는 영상표시기기.
- 삭제
- 제1항에 있어서, 상기 메모리부는상기 연산된 휘도 조정값을 저장하는 영상표시기기.
- 영상표시기기를 제어하는 방법에 있어서,상기 영상표시기기가 설치된 주변의 조도를 감지하는 단계;상기 감지된 조도와 이전 감지된 조도 사이의 차이가 기준치 이상인 경우, 사용자가 입력한 설정값의 적용 여부를 확인하는 단계;상기 사용자 설정값이 적용되는 경우, 상기 설정값 중 최소 희망 휘도값과 최대 희망 휘도값 사이의 차이를 이용하여 휘도 조정 커브를 결정하는 단계;상기 결정된 휘도 조정 커브에 상기 감지된 주변 조도를 적용하여 휘도 조정값을 연산하는 단계; 및상기 연산된 휘도 조정값에 따라 휘도를 조정하여 영상을 표시하는 단계를 포함하는 영상표시기기의 제어 방법.
- 제5항에 있어서,상기 사용자 설정값이 적용되지 않는 경우, 디폴트로 저장된 휘도 조정 커브에 상기 감지된 주변 조도를 적용하여 휘도 조정값을 연산하는 단계를 더 포함하는 영상표시기기의 제어 방법.
- 제5항에 있어서, 상기 휘도 조정 커브 결정 단계는상기 최소 희망 휘도값과 상기 최대 희망 휘도값 사이의 차이를 이용하여 상기 휘도 조정 커브의 기울기를 결정하는 단계를 포함하는 영상표시기기의 제어 방법.
- 삭제
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KR1020090059113A KR101074906B1 (ko) | 2009-06-30 | 2009-06-30 | 영상표시기 및 그의 제어 방법 |
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KR1020090059113A KR101074906B1 (ko) | 2009-06-30 | 2009-06-30 | 영상표시기 및 그의 제어 방법 |
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KR20110001545A KR20110001545A (ko) | 2011-01-06 |
KR101074906B1 true KR101074906B1 (ko) | 2011-10-18 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102968979A (zh) * | 2012-11-12 | 2013-03-13 | 广东欧珀移动通信有限公司 | 一种基于曲线拟合的屏幕亮度调节方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9240162B2 (en) | 2012-12-31 | 2016-01-19 | Lg Display Co., Ltd. | Transparent display apparatus and method for controlling the same |
KR102111407B1 (ko) | 2013-08-19 | 2020-05-15 | 엘지전자 주식회사 | 디스플레이 장치 및 그 동작방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11316364A (ja) * | 1998-05-01 | 1999-11-16 | Alpine Electronics Inc | Lcd表示における自動調光装置 |
JP2000208281A (ja) * | 1999-01-11 | 2000-07-28 | Seiko Epson Corp | 調光方法および表示装置 |
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- 2009-06-30 KR KR1020090059113A patent/KR101074906B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11316364A (ja) * | 1998-05-01 | 1999-11-16 | Alpine Electronics Inc | Lcd表示における自動調光装置 |
JP2000208281A (ja) * | 1999-01-11 | 2000-07-28 | Seiko Epson Corp | 調光方法および表示装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102968979A (zh) * | 2012-11-12 | 2013-03-13 | 广东欧珀移动通信有限公司 | 一种基于曲线拟合的屏幕亮度调节方法 |
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KR20110001545A (ko) | 2011-01-06 |
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