JP6322440B2 - 色制御方法 - Google Patents
色制御方法 Download PDFInfo
- Publication number
- JP6322440B2 JP6322440B2 JP2014036357A JP2014036357A JP6322440B2 JP 6322440 B2 JP6322440 B2 JP 6322440B2 JP 2014036357 A JP2014036357 A JP 2014036357A JP 2014036357 A JP2014036357 A JP 2014036357A JP 6322440 B2 JP6322440 B2 JP 6322440B2
- Authority
- JP
- Japan
- Prior art keywords
- duty ratio
- color
- change
- led
- fade
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 47
- 239000003086 colorant Substances 0.000 claims description 18
- 230000000052 comparative effect Effects 0.000 description 19
- 230000005856 abnormality Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
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
- G09G3/2007—Display of intermediate tones
- G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant
-
- 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
- G09G3/2003—Display of colours
-
- 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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0439—Pixel structures
- G09G2300/0452—Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/06—Details of flat display driving waveforms
- G09G2310/066—Waveforms comprising a gently increasing or decreasing portion, e.g. ramp
-
- 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
- G09G2320/0242—Compensation of deficiencies in the appearance of colours
-
- 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
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
-
- 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
- G09G2320/064—Adjustment of display parameters for control of overall brightness by time modulation of the brightness of the illumination source
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of El Displays (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Description
Df 変更後デューティ比
Dn 変更中デューティ比
Ds 変更前デューティ比
Td 色変更時間
Tn 経過時間
Claims (3)
- 前記制御定数Aは、前記発光素子の明るさ変化が一定となるように選択した任意の値に設定されていることを特徴とする請求項1又は2に記載の色制御方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014036357A JP6322440B2 (ja) | 2013-03-06 | 2014-02-27 | 色制御方法 |
PCT/JP2014/055568 WO2014136819A1 (ja) | 2013-03-06 | 2014-03-05 | 色制御方法 |
DE112014001132.0T DE112014001132B4 (de) | 2013-03-06 | 2014-03-05 | Farbsteuerungsverfahren |
CN201480011307.XA CN105009191A (zh) | 2013-03-06 | 2014-03-05 | 颜色控制方法 |
US14/843,318 US9659521B2 (en) | 2013-03-06 | 2015-09-02 | Color control method |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013044361 | 2013-03-06 | ||
JP2013044361 | 2013-03-06 | ||
JP2014036357A JP6322440B2 (ja) | 2013-03-06 | 2014-02-27 | 色制御方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014197176A JP2014197176A (ja) | 2014-10-16 |
JP6322440B2 true JP6322440B2 (ja) | 2018-05-09 |
Family
ID=51491331
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014036357A Active JP6322440B2 (ja) | 2013-03-06 | 2014-02-27 | 色制御方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9659521B2 (ja) |
JP (1) | JP6322440B2 (ja) |
CN (1) | CN105009191A (ja) |
DE (1) | DE112014001132B4 (ja) |
WO (1) | WO2014136819A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6234362B2 (ja) * | 2014-12-26 | 2017-11-22 | 矢崎総業株式会社 | 輝度制御装置及び輝度制御方法 |
JP6559589B2 (ja) * | 2016-02-03 | 2019-08-14 | リンナイ株式会社 | Led表示装置 |
US9769898B1 (en) * | 2016-12-08 | 2017-09-19 | Nxp B.V. | Adjusted pulse width modulation (PWM) curve calculations for improved accuracy |
JP7381538B2 (ja) * | 2021-09-22 | 2023-11-15 | 矢崎総業株式会社 | 照明制御装置及び照明システム |
JP7384876B2 (ja) * | 2021-09-22 | 2023-11-21 | 矢崎総業株式会社 | 照明制御装置及び照明システム |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3053117B2 (ja) * | 1990-01-26 | 2000-06-19 | 株式会社日立製作所 | カラー画像表示方式 |
JPH0728427A (ja) * | 1993-07-07 | 1995-01-31 | Toyoda Gosei Co Ltd | Led平面ディスプレイ |
JP3636979B2 (ja) | 2000-09-20 | 2005-04-06 | 埼玉日本電気株式会社 | Rgbled発光における色味補正方法 |
JP3620443B2 (ja) * | 2000-12-05 | 2005-02-16 | 日産自動車株式会社 | 自動車用表示装置 |
JP2004309509A (ja) * | 2003-04-01 | 2004-11-04 | Hunet Inc | 表示装置の調整方法 |
US7042464B1 (en) * | 2003-08-01 | 2006-05-09 | Apple Computer, Inc. | Methods and apparatuses for the automated display of visual effects |
JP2007108602A (ja) * | 2005-10-17 | 2007-04-26 | Oki Electric Ind Co Ltd | パネル表示装置のスクリーンセーバー表示方法 |
KR100968451B1 (ko) * | 2006-10-16 | 2010-07-07 | 삼성전자주식회사 | 디스플레이장치 및 그 제어방법 |
JP5521261B2 (ja) * | 2006-11-28 | 2014-06-11 | 日本電気株式会社 | 携帯端末、該携帯端末に用いられる発光体駆動制御方法及び発光体駆動制御プログラム |
JP5361139B2 (ja) * | 2007-03-09 | 2013-12-04 | キヤノン株式会社 | 表示装置 |
JP2008304539A (ja) * | 2007-06-05 | 2008-12-18 | Sharp Corp | 映像処理装置 |
TWI385628B (zh) * | 2007-10-05 | 2013-02-11 | Novatek Microelectronics Corp | 動態控制背光源的裝置以及方法 |
JP5007650B2 (ja) * | 2007-10-16 | 2012-08-22 | ソニー株式会社 | 表示装置、表示装置の光量調整方法ならびに電子機器 |
FR2923624B1 (fr) * | 2007-11-09 | 2011-12-23 | Diehl Aerospace Gmbh | Procedure de reorientation entre couleurs de lumiere mixte |
CA2665561C (en) * | 2008-05-13 | 2016-01-26 | Dolby Laboratories Licensing Corporation | Array scaling for high dynamic range backlight displays and other devices |
TWI388222B (zh) * | 2008-08-20 | 2013-03-01 | Chunghwa Picture Tubes Ltd | 色序法顯示器中調整白平衡之裝置及方法 |
CN101763836A (zh) * | 2009-12-24 | 2010-06-30 | 中兴通讯股份有限公司 | 控制单色液晶显示屏显示的方法和装置 |
BR112012021183A2 (pt) * | 2010-02-24 | 2016-05-17 | Sharp Kk | dispositivo de emissão de luz para exibição de imagem, aparelho de exibição de imagem e acionador de led |
KR101686103B1 (ko) * | 2010-08-05 | 2016-12-14 | 엘지디스플레이 주식회사 | 표시장치 및 이의 구동방법 |
-
2014
- 2014-02-27 JP JP2014036357A patent/JP6322440B2/ja active Active
- 2014-03-05 CN CN201480011307.XA patent/CN105009191A/zh active Pending
- 2014-03-05 DE DE112014001132.0T patent/DE112014001132B4/de active Active
- 2014-03-05 WO PCT/JP2014/055568 patent/WO2014136819A1/ja active Application Filing
-
2015
- 2015-09-02 US US14/843,318 patent/US9659521B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
WO2014136819A1 (ja) | 2014-09-12 |
DE112014001132T5 (de) | 2015-11-19 |
US9659521B2 (en) | 2017-05-23 |
CN105009191A (zh) | 2015-10-28 |
US20150379941A1 (en) | 2015-12-31 |
JP2014197176A (ja) | 2014-10-16 |
DE112014001132B4 (de) | 2023-12-28 |
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