JP2012084542A5 - - Google Patents
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- JP2012084542A5 JP2012084542A5 JP2011287865A JP2011287865A JP2012084542A5 JP 2012084542 A5 JP2012084542 A5 JP 2012084542A5 JP 2011287865 A JP2011287865 A JP 2011287865A JP 2011287865 A JP2011287865 A JP 2011287865A JP 2012084542 A5 JP2012084542 A5 JP 2012084542A5
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請求項１記載の発明は、色成分毎の色画像の投影を時分割で行なう投影装置において、複数ｎ群（ｎ：２以上の自然数）に分けられた複数の発光素子を有する光源部と、上記光源部の発光素子を、上記時分割された色成分毎の色画像の投影期間λをさらにｉ（ｉ：２以上の自然数）に分割したλ／ｉの期間単位で、上記複数ｎ群毎に、それぞれ期間λ／（ｎ×ｉ）に同期する位相差で循環的にオン／オフ制御するパルス幅変調方式により発光駆動する駆動制御手段とを具備したことを特徴とする。 The invention of claim 1, wherein, in the projection device which performs a time division projected color image of each color component, multiple n groups: a light source section having a plurality of light emitting elements is divided into (n 2 or greater natural number) the light emission device of the light source unit, the projection period of a color image above Symbol time divided for each color component lambda further i (i: 2 or greater natural number) in period unit of the divided lambda / i, the plurality each n groups, and characterized by including a drive control means you kinematic driving light by a pulse width modulation method for cyclically turning on / off control by the phase difference to be synchronized to each period lambda / (n × i) .
請求項２記載の発明は、請求項１記載の発明において、上記駆動制御手段により、発光輝度を調整して駆動された上記光源部から出射された光を、上記色成分毎に時分割に着色させるカラーホイールをさらに具備したことを特徴とする。
請求項３記載の発明は、請求項１または２記載の発明において、上記駆動制御手段は、上記光源部を構成する複数ｎ群の着色発光素子それぞれに対し通電時に定格電力とするパルス幅変調方式により発光輝度を調整して駆動することを特徴とする。
請求項４記載の発明は、請求項１乃至３いずれか記載の発明において、上記発光素子は、発光ダイオードまたはレーザのいずれかであることを特徴とする。
According to a second aspect of the present invention, in the first aspect of the invention, the light emitted from the light source unit that is driven by adjusting the light emission luminance by the drive control unit is colored in a time division manner for each color component. It is further characterized by further comprising a color wheel.
A third aspect of the present invention is the pulse width modulation method according to the first or second aspect , wherein the drive control means uses the rated power when energizing each of a plurality of n groups of colored light-emitting elements constituting the light source unit. It is characterized in that it is driven by adjusting the light emission luminance.
The invention of claim 4, wherein, in the invention according to any one of claims 1 to 3, the upper Symbol Luminous element is characterized in that it is either a light emitting diode or laser.
請求項５記載の発明は、色成分毎の色画像の投影を時分割で行なう投影方法において、複数ｎ群（ｎ：２以上の自然数）に分けられた複数の発光素子を有する光源部を備え、上記光源部の発光素子を、上記時分割された色成分毎の色画像の投影期間λをさらにｉ（ｉ：２以上の自然数）に分割したλ／ｉの期間単位で、上記複数ｎ群毎に、それぞれ期間λ／（ｎ×ｉ）に同期する位相差で循環的にオン／オフ制御するパルス幅変調方式により発光駆動する駆動制御工程を有したことを特徴とする。 Invention of claim 5, a projection method performed in time division projected color image of each color component, multiple n groups (n: 2 or greater natural number) of the light source unit having a plurality of light-emitting elements divided into comprising, a light emission element of the light source unit, the projection period of a color image above Symbol time divided for each color component lambda further i (i: 2 or greater natural number) in period unit of the divided lambda / i, the above for each of a plurality n groups, characterized in that it had that drive control process to dynamic driving light by a pulse width modulation method for cyclically turning on / off control by the phase difference to be synchronized to each period lambda / (n × i) .
請求項６記載の発明は、上記請求項５記載の発明において、上記駆動制御工程は、上記光源部を構成する上記複数ｎ群の発光素子それぞれに対し通電時に定格電力とするパルス幅変調方式により発光輝度を調整して駆動することを特徴とする。 Invention according to claim 6, in the invention of the claim 5, wherein said driving control step, a pulse width modulation method to the rated power when energized to each light emission element of the plurality of n groups constituting the light source unit It is characterized in that it is driven by adjusting the light emission luminance.
Claims (6)
複数ｎ群（ｎ：２以上の自然数）に分けられた複数の発光素子を有する光源部と、
上記光源部の発光素子を、上記時分割された色成分毎の色画像の投影期間λをさらにｉ（ｉ：２以上の自然数）に分割したλ／ｉの期間単位で、上記複数ｎ群毎に、それぞれ期間λ／（ｎ×ｉ）に同期する位相差で循環的にオン／オフ制御するパルス幅変調方式により発光駆動する駆動制御手段と
を具備したことを特徴とする投影装置。 In a projection apparatus that performs time-division projection of a color image for each color component,
A light source section having a plurality of light emitting elements is divided into: (a natural number of 2 or more n), multiple n group
The light emission device of the light source unit, the projection period of a color image above Symbol time divided for each color component lambda further i (i: 2 or greater natural number) in period unit of the divided lambda / i, the plurality n per group, projection, characterized by comprising a drive control means you kinematic driving light by a pulse width modulation method for cyclically turning on / off control by the phase difference to synchronize the period, respectively λ / (n × i) apparatus.
複数ｎ群（ｎ：２以上の自然数）に分けられた複数の発光素子を有する光源部を備え、
上記光源部の発光素子を、上記時分割された色成分毎の色画像の投影期間λをさらにｉ（ｉ：２以上の自然数）に分割したλ／ｉの期間単位で、上記複数ｎ群毎に、それぞれ期間λ／（ｎ×ｉ）に同期する位相差で循環的にオン／オフ制御するパルス幅変調方式により発光駆動する駆動制御工程を有したことを特徴とする投影方法。 In a projection method that performs time-division projection of a color image for each color component,
Multiple n groups: a light source section having (n 2 or greater natural number) a plurality of light emitting elements is divided into,
The light emission device of the light source unit, the projection period of a color image above Symbol time divided for each color component lambda further i (i: 2 or greater natural number) in period unit of the divided lambda / i, the plurality n projection method to each group, characterized by having a that drive control process to dynamic driving light by a pulse width modulation method for cyclically turning on / off control by the phase difference to be synchronized to each period λ / (n × i) .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011287865A JP5445575B2 (en) | 2008-09-26 | 2011-12-28 | Projection apparatus and projection method |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008248168 | 2008-09-26 | ||
| JP2008248168 | 2008-09-26 | ||
| JP2011287865A JP5445575B2 (en) | 2008-09-26 | 2011-12-28 | Projection apparatus and projection method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009157929A Division JP4900428B2 (en) | 2008-09-26 | 2009-07-02 | Projection apparatus and projection method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2012084542A JP2012084542A (en) | 2012-04-26 |
| JP2012084542A5 true JP2012084542A5 (en) | 2012-08-16 |
| JP5445575B2 JP5445575B2 (en) | 2014-03-19 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010208658A Active JP5093318B2 (en) | 2008-09-26 | 2010-09-17 | Projection apparatus and projection method |
| JP2011287865A Active JP5445575B2 (en) | 2008-09-26 | 2011-12-28 | Projection apparatus and projection method |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010208658A Active JP5093318B2 (en) | 2008-09-26 | 2010-09-17 | Projection apparatus and projection method |
Country Status (1)
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| JP (2) | JP5093318B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645822B (en) * | 2011-11-28 | 2014-12-10 | 深圳市光峰光电技术有限公司 | Projecting apparatus and control method thereof |
| JP2015022295A (en) * | 2013-07-24 | 2015-02-02 | カシオ計算機株式会社 | Speed control unit, projection device, speed control method, and program |
| JP2016180802A (en) * | 2015-03-23 | 2016-10-13 | キヤノン株式会社 | Projection control device, control method and program |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002372953A (en) * | 2001-06-14 | 2002-12-26 | Toyoda Gosei Co Ltd | Field sequential color liquid crystal display |
| JP4068551B2 (en) * | 2003-11-21 | 2008-03-26 | Ｎｅｃディスプレイソリューションズ株式会社 | LIGHT SOURCE DEVICE AND ITS DRIVE METHOD AND VIDEO DISPLAY DEVICE |
| JP5376751B2 (en) * | 2005-12-15 | 2013-12-25 | シャープ株式会社 | projector |
| JP2008166219A (en) * | 2006-12-29 | 2008-07-17 | Zero Rabo Kk | Light source driving device, and projector device |
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