JP2021124544A5 - - Google Patents
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- JP2021124544A5 JP2021124544A5 JP2020016060A JP2020016060A JP2021124544A5 JP 2021124544 A5 JP2021124544 A5 JP 2021124544A5 JP 2020016060 A JP2020016060 A JP 2020016060A JP 2020016060 A JP2020016060 A JP 2020016060A JP 2021124544 A5 JP2021124544 A5 JP 2021124544A5
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- JP
- Japan
- Prior art keywords
- optical
- light
- modulation device
- modulated
- liquid crystal
- 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.)
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- 230000003287 optical effect Effects 0.000 claims 59
- 238000010438 heat treatment Methods 0.000 claims 16
- 239000004973 liquid crystal related substance Substances 0.000 claims 15
- 239000000758 substrate Substances 0.000 claims 4
- 238000007664 blowing Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
Claims (8)
前記光源から出射された光を変調する光変調装置と、
前記光変調装置により変調された光の光路を変更する光路変更素子と、を備え、
前記光路変更素子は、
前記光変調装置により変調された光が入射する光学部材を備える可動部と、
前記可動部を揺動させるアクチュエーターと、を有し、
前記光変調装置は、
液晶パネルと、前記液晶パネルを加温する加温部と、を有することを特徴とするプロジ
ェクター。 a light source;
a light modulating device that modulates light emitted from the light source;
an optical path changing element that changes the optical path of the light modulated by the optical modulator,
The optical path changing element is
a movable part including an optical member on which light modulated by the light modulation device is incident;
an actuator for swinging the movable part,
The optical modulation device is
A projector comprising: a liquid crystal panel; and a heating section for heating the liquid crystal panel.
前記加温部は、前記非表示領域に配置されることを特徴とする請求項１に記載のプロジ
ェクター。 The liquid crystal panel comprises a display area and a non-display area surrounding the display area,
2. The projector according to claim 1, wherein the heating section is arranged in the non-display area.
前記可動部を第１揺動軸回りに揺動させる第１アクチュエーターと、
前記可動部を前記第１揺動軸と交差する第２揺動軸回りに揺動させる第２アクチュエー
ターと、を有することを特徴とする請求項１または２に記載のプロジェクター。 The actuator is
a first actuator that swings the movable portion about a first swing axis;
3. The projector according to claim 1, further comprising a second actuator that swings the movable portion about a second swing axis that intersects with the first swing axis.
前記加温部と前記ＴＦＴ基板との間に前記対向基板が配置されることを特徴とする請求
項１から３の何れか一項に記載のプロジェクター。 The liquid crystal panel has a counter substrate and a TFT substrate,
4. The projector according to any one of claims 1 to 3, wherein the opposing substrate is arranged between the heating section and the TFT substrate.
前記ファンおよび前記加温部を制御する温度制御部を備え、
前記温度制御部は、前記加温部を発熱させる第１モードと、前記ファンの送風量を制御
する第２モードと、を切り替えることを特徴とする請求項１から４の何れか一項に記載の
プロジェクター。 a fan for blowing cooling air to the liquid crystal panel;
A temperature control unit that controls the fan and the heating unit,
5. The temperature control unit according to claim 1, wherein the temperature control unit switches between a first mode in which the heating unit generates heat and a second mode in which the fan blows air. projector.
記光路変更素子に向けて出射する光学素子を備え、
前記光変調装置は、第１光変調装置と、第２光変調装置と、第３光変調装置と、を有し
、
前記第１光変調装置は、前記光源から出射された光を変調し、第１液晶パネルおよび前
記第１液晶パネルを加温する第１加温部を備え、
前記第２光変調装置は、前記光源から出射された光を変調し、第２液晶パネルおよび前
記第２液晶パネルを加温する第２加温部を備え、
前記第３光変調装置は、前記光源から出射された光を変調し、第３液晶パネルおよび前
記第３液晶パネルを加温する第３加温部を備え、
前記光学素子は、前記第１光変調装置により変調された第１光、前記第２光変調装置に
より変調された第２光、および前記第３光変調装置により変調された第３光を合成して、
前記光路変更素子に向けて光軸方向の一方側に出射し、
前記光軸方向と直交する方向を第１方向とし、前記光軸方向および前記第１方向と直交
する方向を第２方向とする場合に、
前記第１光変調装置は、前記光学素子に対して前記第１方向の一方側に配置され、
前記第２光変調装置は、前記光学素子に対して前記光軸方向の他方側に配置され、
前記第３光変調装置は、前記光学素子に対して前記第１方向の他方側に配置され、
前記アクチュエーターの前記第２方向における位置は、前記第１加温部の前記第２方向
における位置と重ならず、前記第２加温部の前記第２方向における位置と重ならず、かつ
、前記第３加温部の前記第２方向における位置と重ならないことを特徴とする請求項１か
ら５の何れか一項に記載のプロジェクター。 an optical element for receiving light modulated by the light modulation device and emitting the light modulated by the light modulation device toward the optical path changing element;
The optical modulation device has a first optical modulation device, a second optical modulation device, and a third optical modulation device,
The first light modulation device includes a first heating unit that modulates the light emitted from the light source and heats the first liquid crystal panel and the first liquid crystal panel,
The second light modulation device includes a second heating unit that modulates the light emitted from the light source and heats the second liquid crystal panel and the second liquid crystal panel,
The third light modulation device includes a third heating unit that modulates light emitted from the light source and heats a third liquid crystal panel and the third liquid crystal panel,
The optical element combines the first light modulated by the first optical modulator, the second light modulated by the second optical modulator, and the third light modulated by the third optical modulator. hand,
emitted to one side in the optical axis direction toward the optical path changing element;
When a direction orthogonal to the optical axis direction is defined as a first direction and a direction orthogonal to the optical axis direction and the first direction is defined as a second direction,
The first optical modulation device is arranged on one side of the optical element in the first direction,
The second optical modulation device is arranged on the other side of the optical element in the optical axis direction,
the third optical modulation device is arranged on the other side in the first direction with respect to the optical element,
The position of the actuator in the second direction does not overlap the position of the first heating section in the second direction, the position of the second heating section in the second direction does not overlap, and 6. The projector according to any one of claims 1 to 5, wherein the position of the third heating unit in the second direction does not overlap.
前記光源から出射された光を変調する光変調装置と、
前記光変調装置により変調された光を入射する入射面と、前記変調された光を出射する
出射面を有する光学素子と、
前記光学素子から出射された前記変調された光を投射する投射光学装置と、
前記光学素子の前記出射面と前記投射光学装置との間に配置され、前記変調された光の
光路を変更する光路変更素子と、を備え、
前記光路変更素子は、
前記光変調装置により変調された光が入射する光学部材を備える可動部と、
前記可動部を揺動させる磁石とコイルを含むアクチュエーターと、を有し、
前記光変調装置は、
液晶パネルと、前記液晶パネルを加温する加温部と、を有し、
前記光学素子の前記変調された光を出射する光軸方向と直交する方向を第１方向とし、
前記光軸方向および前記第１方向と直交する方向を第２方向とする場合に、
前記光変調装置は、前記光学素子に対して前記第１方向の一方側に配置され、
前記アクチュエーターの前記第２方向における位置は、前記加温部の前記第２方向にお
ける位置と重ならない、ことを特徴とするプロジェクター。 a light source;
a light modulating device that modulates light emitted from the light source;
an optical element having an incident surface on which light modulated by the light modulator is incident and an output surface from which the modulated light is emitted;
a projection optical device for projecting the modulated light emitted from the optical element;
an optical path changing element disposed between the exit surface of the optical element and the projection optical device, the optical path changing element changing the optical path of the modulated light;
The optical path changing element is
a movable part including an optical member on which light modulated by the light modulation device is incident;
an actuator including a magnet and a coil for oscillating the movable part;
The optical modulation device is
having a liquid crystal panel and a heating unit that heats the liquid crystal panel,
A direction orthogonal to an optical axis direction of the optical element for emitting the modulated light is defined as a first direction,
When the direction orthogonal to the optical axis direction and the first direction is the second direction,
the optical modulation device is arranged on one side in the first direction with respect to the optical element,
The projector according to claim 1, wherein a position of the actuator in the second direction does not overlap a position of the heating section in the second direction.
前記光源から出射された光を変調する光変調装置と、
前記光変調装置により変調された光を入射する入射面と、前記変調された光を出射する
出射面を有する光学素子と、
前記光学素子から出射された前記変調された光を投射する投射光学装置と、
前記光学素子の前記出射面と前記投射光学装置との間に配置され、前記変調された光の
光路を変更する光路変更素子と、を備え、
前記光路変更素子は、
前記光変調装置により変調された光が入射する光学部材を備える可動部と、
前記可動部を第１揺動軸回りに揺動させる外枠と、
前記外枠を第２揺動軸回りに揺動させる固定部と、
前記可動部を揺動させる磁石とコイルを含む第１アクチュエーターと、
前記外枠と揺動させる磁石とコイルを含む第２アクチュエーターと、を有し、
前記光変調装置は、
液晶パネルと、前記液晶パネルを加温する加温部と、を有し、
前記光学素子の前記変調された光を出射する光軸方向と直交する方向を第１方向とし、
前記光軸方向および前記第１方向と直交する方向を第２方向とする場合に、
前記光変調装置は、前記光学素子に対して前記第１方向の一方側に配置され、
前記第２アクチュエーターの前記第２方向における位置は、前記加温部の前記第２方向
における位置と重ならない、ことを特徴とするプロジェクター。 a light source;
a light modulating device that modulates light emitted from the light source;
an optical element having an incident surface on which light modulated by the light modulator is incident and an output surface from which the modulated light is emitted;
a projection optical device for projecting the modulated light emitted from the optical element;
an optical path changing element disposed between the exit surface of the optical element and the projection optical device, the optical path changing element changing the optical path of the modulated light;
The optical path changing element is
a movable part including an optical member on which light modulated by the light modulation device is incident;
an outer frame for rocking the movable part around a first rocking axis;
a fixing part for rocking the outer frame about a second rocking axis;
a first actuator including a magnet and a coil for oscillating the movable part;
a second actuator including the outer frame, a magnet to be oscillated, and a coil;
The optical modulation device is
having a liquid crystal panel and a heating unit that heats the liquid crystal panel,
A direction orthogonal to an optical axis direction of the optical element for emitting the modulated light is defined as a first direction,
When the direction orthogonal to the optical axis direction and the first direction is the second direction,
the optical modulation device is arranged on one side in the first direction with respect to the optical element,
The projector according to claim 1, wherein a position of the second actuator in the second direction does not overlap a position of the heating section in the second direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020016060A JP7384056B2 (en) | 2020-02-03 | 2020-02-03 | projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020016060A JP7384056B2 (en) | 2020-02-03 | 2020-02-03 | projector |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021124544A JP2021124544A (en) | 2021-08-30 |
| JP2021124544A5 true JP2021124544A5 (en) | 2022-09-27 |
| JP7384056B2 JP7384056B2 (en) | 2023-11-21 |
Family
ID=77458645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020016060A Active JP7384056B2 (en) | 2020-02-03 | 2020-02-03 | projector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP7384056B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023044729A1 (en) * | 2021-09-24 | 2023-03-30 | 华为技术有限公司 | Projection optical engine, electronic device, and projection imaging method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001337313A (en) | 2000-05-30 | 2001-12-07 | Nippon Seiki Co Ltd | Liquid crystal display device |
| JP4125182B2 (en) | 2002-08-22 | 2008-07-30 | シャープ株式会社 | Liquid crystal display element, projection-type liquid crystal display apparatus, image shift element, and image display apparatus |
| JP2008122491A (en) | 2006-11-09 | 2008-05-29 | Seiko Epson Corp | Projector |
| JP6492701B2 (en) | 2015-01-30 | 2019-04-03 | セイコーエプソン株式会社 | Image display device |
| JP2017027046A (en) | 2015-07-16 | 2017-02-02 | キヤノン株式会社 | Angle adjustment device and image display device |
| JP6661950B2 (en) | 2015-10-07 | 2020-03-11 | セイコーエプソン株式会社 | projector |
| CN108693686B (en) | 2017-04-06 | 2020-11-03 | 中强光电股份有限公司 | Projection device |
| JP2019039995A (en) | 2017-08-24 | 2019-03-14 | キヤノン株式会社 | Image projection device |
-
2020
- 2020-02-03 JP JP2020016060A patent/JP7384056B2/en active Active
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