KR100653068B1 - Optical engine apparatus - Google Patents

Optical engine apparatus Download PDF

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Publication number
KR100653068B1
KR100653068B1 KR1020050073863A KR20050073863A KR100653068B1 KR 100653068 B1 KR100653068 B1 KR 100653068B1 KR 1020050073863 A KR1020050073863 A KR 1020050073863A KR 20050073863 A KR20050073863 A KR 20050073863A KR 100653068 B1 KR100653068 B1 KR 100653068B1
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South Korea
Prior art keywords
color wheel
optical engine
cover
light
wheel cover
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KR1020050073863A
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Korean (ko)
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김슬우
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삼성전자주식회사
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/007—Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light
    • G02B26/008—Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light in the form of devices for effecting sequential colour changes, e.g. colour wheels

Abstract

An optical engine apparatus is provided to enlarge the containing space of a color wheel, thereby improving the efficiency of heat transfer by forming a depression portion at a region where the heat transfer is most activated. A base unit(10) has a color wheel mounting part(11) with an opening. A color wheel(2) is installed at the color wheel mounting part(11). A color wheel cover(20) is coupled with the base unit(10) to cover the opening of the color wheel mounting part(11). The color wheel cover(20) has a depression portion, which is depressed from a plane of the color wheel(2) correspondingly to a plane direction of the color wheel(2). The depression portion of the color wheel cover(20) increases the contact area with the heat generated from the color wheel(2).

Description

광학엔진장치{OPTICAL ENGINE APPARATUS}Optical engine device {OPTICAL ENGINE APPARATUS}

도 1은 본 발명에 따른 광학엔진장치의 칼라휠 설치영역의 분해사시도, 1 is an exploded perspective view of a color wheel installation area of an optical engine device according to the present invention;

도 2는 도 1의 칼라휠커버의 확대도, 2 is an enlarged view of the color wheel cover of FIG.

도 3은 종래 칼라휠커버의 확대도이다. 3 is an enlarged view of a conventional color wheel cover.

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

1 : 광원부 2 : 칼라휠1: light source 2: color wheel

10 : 베이스부 11 : 칼라휠장착부10: base portion 11: color wheel mounting portion

20 : 칼라휠커버 21 : 방열핀20: color wheel cover 21: heat dissipation fin

22 : 함몰부22: depression

본 발명은, 광학엔진장치에 관한 것으로서, 보다 상세하게는, 칼라휠의 냉각효율을 향상시킬 수 있는 광학엔진장치에 관한 것이다.The present invention relates to an optical engine apparatus, and more particularly, to an optical engine apparatus capable of improving the cooling efficiency of a color wheel.

일반적으로 광학엔진장치는 광원으로부터 출사된 광을 LCD 또는 DMD와 같은 디스플레이소자에 투사하여 형성된 영상을 스크린으로 확대투사함으로써 스크린에 소정의 화상을 구현하는 장치이다.In general, an optical engine device is a device that implements a predetermined image on a screen by projecting an image formed by projecting light emitted from a light source onto a display device such as an LCD or a DMD onto a screen.

이러한 광학엔진장치의 한 예로 한국공개특허 제2003-0048562호에는 백색광을 방출하는 광원과, 백색광 중 특정 파장을 갖는 광의 광량을 증진하여 출력하는 광량증진부와, 광량증진부로부터 백색광을 입력받아 복수의 단색광을 분리하는 칼라휠과, R.G.B 빔을 균일하게 면광원화하는 라이트튜브와, 면광원화된 각각의 R.G.B 빔을 평행광으로 출력하여 DMD 패널로 투사하는 렌즈와, 단색광을 소정의 각도로 반사시키는 DMD패널과, 스크린에 확대투사하는 투사렌즈를 포함하는 영상투사장치에 대해 개시되어 있다.As an example of such an optical engine device, Korean Laid-Open Patent Publication No. 2003-0048562 discloses a plurality of light sources that emit white light, a light amount increasing unit that enhances and outputs a light amount having a specific wavelength among white light, and receives a plurality of white light from the light amount increasing unit. Color wheel to separate monochromatic light of light, light tube for uniformly surface-lighting RGB beams, lens for outputting each of the surface-sourced RGB beams as parallel light, and projecting onto DMD panel, monochromatic light at a predetermined angle Disclosed is an image projection apparatus including a reflective DMD panel and a projection lens to project onto a screen.

그런데 이러한 종래의 영상투사장치에 있어서, 일반적으로 칼라휠의 상측에는 도 3에 도시된 바와 같이, 칼라휠(102)에서 발생하는 열을 외부로 방출시키기 위한 칼라휠커버(120)가 마련되어 있음에 따라, 칼라휠(102)에서 발생하는 열이 칼라휠커버(120)로 전도되어 외부로 방출된다.However, in the conventional image projection apparatus, as shown in FIG. 3, the color wheel cover 120 for dissipating heat generated from the color wheel 102 to the outside is generally provided on the upper side of the color wheel. The heat generated from the color wheel 102 is conducted to the color wheel cover 120 and is discharged to the outside.

이에 칼라휠(102)에서 발생하는 열과의 접촉 면적이 확장되도록 칼라휠커버(120)의 내부공간을 확장시킬 수 있다면 칼라휠(102)의 냉각효율이 향상시킬 수 있어 바람직할 것이다.Therefore, if the inner space of the color wheel cover 120 can be expanded so that the contact area with the heat generated from the color wheel 102 can be extended, the cooling efficiency of the color wheel 102 can be improved.

따라서, 본 발명의 목적은, 칼라휠의 냉각효율을 향상시킬 수 있는 광학엔진장치를 제공하는 것이다.Accordingly, an object of the present invention is to provide an optical engine device capable of improving the cooling efficiency of a color wheel.

상기 목적은, 본 발명에 따라, 광을 이용하여 디스플레이소자부에서 형성된 화상을 스크린에 확대투사하는 광학엔진장치에 있어서, 개구부를 갖는 칼라휠장착 부가 마련된 베이스부와; 상기 칼라휠장착부에 장착되는 칼라휠과; 상기 개구부를 커버하도록 상기 베이스부에 결합되며, 상기 칼라휠의 판면방향에 대응하게 판면으로부터 함몰되어 상기 칼라휠에서 발생하는 열과의 접촉면적을 확장시키는 함몰부를 갖는 칼라휠커버를 포함하는 것을 특징으로 하는 광학엔진장치에 의해 달성된다.According to the present invention, there is provided an optical engine apparatus for projecting an image formed in a display element portion on a screen by using light, comprising: a base portion provided with a color wheel mounting portion having an opening; A color wheel mounted to the color wheel mounting unit; And a color wheel cover coupled to the base part to cover the opening, and having a depression extending from the plate surface corresponding to the plate surface direction of the color wheel to expand a contact area with heat generated from the color wheel. Achieved by an optical engine device.

여기서, 상기 함몰부는 상기 칼라휠의 판면방향에 대응하는 위치에 배치되도록 상기 칼라휠커버의 내측면에서 외측을 향해 함몰형성되어 있는 것이 바람직하다. Here, the depression is preferably formed recessed toward the outside from the inner surface of the color wheel cover to be disposed at a position corresponding to the plate surface direction of the color wheel.

그리고, 상기 칼라휠커버의 외측에는 복수의 방열핀이 마련되어 있는 것이 바람직하다.And, it is preferable that a plurality of heat dissipation fins are provided on the outer side of the color wheel cover.

또한, 상기 칼라휠커버는 열전도성 재료를 포함할 수 있다. In addition, the color wheel cover may comprise a thermally conductive material.

여기서, 상기 열전도성 재료는 알루미늄 재질을 포함할 수 있다. Here, the thermally conductive material may include an aluminum material.

여기서, 상기 열전도성 재료는 마그네슘 재질을 포함할 수 있다. Here, the thermally conductive material may include a magnesium material.

이하에서는 첨부도면을 참조하여 본 발명에 대해 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

광학엔진장치는 영상광을 발생시키고 발생된 영상광을 반사미러를 거쳐 스크린에 확대 투사시킴에 따라 스크린에 영상이 디스플레이되도록 하는 장치로서, 본 발명에 따른 광학엔진장치는 크게 광을 발생시키는 광원부(1)와, 광원부(1)로부터의 광을 이용하여 화상을 형성하는 DMD패널부인 디스플레이소자부(미도시)와, 광원부(1)에서 발생된 광이 디스플레이소자부에 투사되면서 형성되는 화상을 프로젝션텔레비전의 스크린에 확대 투사하는 투사부(미도시)를 포함한다.An optical engine apparatus generates an image light and displays the image on a screen by expanding and projecting the generated image light on a screen through a reflection mirror. An optical engine device according to the present invention includes a light source unit for generating light. 1), a display element portion (not shown), which is a DMD panel portion for forming an image using light from the light source portion 1, and an image formed while the light generated from the light source portion 1 is projected onto the display element portion. And a projection unit (not shown) for magnifying and projecting on the screen of the television.

그리고 본 발명에 따른 광학엔진장치는 광원부(1)에서 조사된 광을 R,G,B 삼색빔으로 분리시키는 칼라휠(2)과, 칼라휠(2)를 통과한 광의 빔모양을 디스플레이소자부의 평면과 동상으로 정형하는 빔정형수단인 라이트터널조립체(미도시)와, 라이트터널조립체를 경유한 광이 디스플레이소자부를 향하도록 하는 광경로변환조립체(미도시)와, 광원부(1)과 칼라휠(2)을 포함한 각종 부품이 설치되는 베이스부(10)를 더 포함한다.In addition, the optical engine device according to the present invention includes a color wheel (2) for separating the light emitted from the light source unit (1) into R, G, B tricolor beams, and a beam shape of the light passing through the color wheel (2). A light tunnel assembly (not shown), which is a beam shaping means that is formed in a plane and in phase, a light path conversion assembly (not shown) for directing light through the light tunnel assembly to the display element portion, a light source unit 1, and a color wheel It further includes a base part 10 on which various parts including (2) are installed.

도 1에 도시된 바와 같이, 베이스부(10) 위에는 칼라휠(2)이 장착되는 칼라휠장착부(11)가 마련되어 있으며, 칼라휠장착부(11)의 후방에는 광원부(1)가 결합된다.As shown in FIG. 1, a color wheel mounting unit 11 on which the color wheel 2 is mounted is provided on the base unit 10, and a light source unit 1 is coupled to the rear of the color wheel mounting unit 11.

칼라휠장착부(11)는 상측에 개구를 가지고 내부에 칼라휠(2)의 수용공간을 형성하며, 칼라휠장착부(11)의 상측에는 개구를 커버하는 칼라휠커버(20)가 결합된다.The color wheel mounting portion 11 has an opening on the upper side to form a receiving space of the color wheel 2 therein, and the color wheel cover 20 that covers the opening is coupled to the upper side of the color wheel mounting portion 11.

칼라휠커버(20)는 칼라휠장착부(11)의 상측에 결합되어 칼라휠장착부(11)와 함께 칼라휠(2)의 수용공간을 형성한다.The color wheel cover 20 is coupled to an upper side of the color wheel mounting portion 11 to form a receiving space of the color wheel 2 together with the color wheel mounting portion 11.

도 2에 도시된 바와 같이, 칼라휠커버(20)는 칼라휠(2)에서 발생하는 열이 쉽게 전도될 수 있도록 열전도성 재료로 마련될 수 있다. 예를 들어, 금속재질로 마련될 수 있으며, 알루미늄 재질 또는 마그네슘 재질을 포함할 수 있고, 두가지 모두를 포함할 수도 있다. 한편, 외측에는 열을 외부로 방출시킬 수 있도록 복수의 방열핀(21)이 마련되어 있다. As shown in FIG. 2, the color wheel cover 20 may be made of a thermally conductive material so that heat generated from the color wheel 2 may be easily conducted. For example, it may be provided as a metal material, may include an aluminum material or a magnesium material, and may include both. On the other hand, a plurality of heat dissipation fins 21 are provided on the outside to release heat to the outside.

한편, 칼라휠커버(20)의 내측에는 내측판면으로부터 외측으로 함몰형성된 함 몰부(22)가 마련되어 있다.On the other hand, the inner side of the color wheel cover 20 is provided with a depression 22 recessed outward from the inner plate surface.

함몰부(22)는 열전달이 가장 활발한 칼라휠(2)의 판면방향에 대응하는 위치에 마련되어 있으며, 함몰부(22)에 의해 칼라휠장착부(11)와 칼라휠커버(20)가 형성하는 칼라휠(2)의 수용공간이 확장된다. 이처럼 열전달이 가장 활발한 영역에 함몰부(22)가 마련되어, 칼라휠장착부(11)와 칼라휠커버(20)가 형성하는 칼라휠(2)의 수용공간이 확장됨에 따라, 열전달 효율이 향상된다.The depression 22 is provided at a position corresponding to the plate direction of the color wheel 2 that is most active in heat transfer, and is formed by the depression 22 by the color wheel mounting portion 11 and the color wheel cover 20. The accommodation space in (2) is expanded. Thus, the depression 22 is provided in the region where heat transfer is most active, and as the accommodation space of the color wheel 2 formed by the color wheel mounting portion 11 and the color wheel cover 20 is expanded, the heat transfer efficiency is improved.

이와 같이, 본 발명에 따른 광학엔진장치에 있어서, 칼라휠(2)이 칼라휠장착부(11)와 칼라휠커버(20)가 형성하는 수용공간에 수용된 상태에서, 광원부(1)에서 광이 칼라휠(2)로 조사되면 칼라휠(2)에서 흡수하는 열과 칼라휠커버(20)에 투사되는 잡광으로 인해 칼라휠장착부(11)와 칼라휠커버(20)가 형성하는 칼라휠(2)의 수용공간의 내부 온도가 상승된다.As described above, in the optical engine apparatus according to the present invention, in the state in which the color wheel 2 is accommodated in the accommodation space formed by the color wheel mounting portion 11 and the color wheel cover 20, the light from the light source unit 1 is the color wheel. When irradiated with (2), due to the heat absorbed by the color wheel (2) and the light incident on the color wheel cover (20) of the receiving space of the color wheel (2) formed by the color wheel mounting portion 11 and the color wheel cover (20) The internal temperature rises.

이를 냉각시키기 위해 냉각팬(미도시)을 이용하여 칼라휠(2)로 공기를 송풍하며, 또한 열은 칼라휠커버(20)에 마련된 복수의 방열핀(21)을 통해 외부로 방출된다.In order to cool this, air is blown to the color wheel 2 using a cooling fan (not shown), and heat is also released to the outside through the plurality of heat dissipation fins 21 provided on the color wheel cover 20.

또한, 칼라휠(2)의 판면방향에 대응하는 위치에 즉, 열전달이 가장 활발한 영역에 함몰부(22)가 형성되어 있고, 이 함몰부(22)에 의해 칼라휠장착부(11)와 칼라휠커버(20)가 형성하는 칼라휠(2)의 수용공간이 확장됨에 따라, 열전달 효율이 향상되므로 칼라휠의 냉각효율이 향상될 수 있게 된다.In addition, the depression 22 is formed at a position corresponding to the plate surface direction of the color wheel 2, that is, the area where heat transfer is most active, and the depression 22 provides the color wheel mounting portion 11 and the color wheel cover. As the receiving space of the color wheel 2 formed by the 20 is expanded, the heat transfer efficiency is improved, so that the cooling efficiency of the color wheel can be improved.

이상 설명한 바와 같이, 본 발명에 따르면, 칼라휠의 냉각효율을 향상시킬 수 있는 광학엔진장치가 제공된다. As described above, according to the present invention, an optical engine apparatus capable of improving the cooling efficiency of a color wheel is provided.

Claims (6)

광을 이용하여 디스플레이소자부에서 형성된 화상을 스크린에 확대투사하는 광학엔진장치에 있어서, An optical engine apparatus for projecting an image formed in a display element unit on a screen by using light, 개구부를 갖는 칼라휠장착부가 마련된 베이스부와; A base portion provided with a collar wheel mounting portion having an opening portion; 상기 칼라휠장착부에 장착되는 칼라휠과; A color wheel mounted to the color wheel mounting unit; 상기 개구부를 커버하도록 상기 베이스부에 결합되며, 상기 칼라휠의 판면방향에 대응하게 판면으로부터 함몰되어 상기 칼라휠에서 발생하는 열과의 접촉면적을 확장시키는 함몰부를 갖는 칼라휠커버를 포함하는 것을 특징으로 하는 광학엔진장치.And a color wheel cover coupled to the base part to cover the opening, and having a depression extending from the plate surface corresponding to the plate surface direction of the color wheel to expand a contact area with heat generated from the color wheel. Optical engine device. 제1항에 있어서,The method of claim 1, 상기 함몰부는 상기 칼라휠의 판면방향에 대응하는 위치에 배치되도록 상기 칼라휠커버의 내측면에서 외측을 향해 함몰형성되어 있는 것을 특징으로 하는 광학엔진장치.And the recessed portion is recessed from the inner side of the color wheel cover to the outer side so as to be disposed at a position corresponding to the plate surface direction of the color wheel. 제2항에 있어서, The method of claim 2, 상기 칼라휠커버의 외측에는 복수의 방열핀이 마련되어 있는 것을 특징으로 하는 광학엔진장치.Optical engine device, characterized in that a plurality of heat radiation fins are provided on the outside of the color wheel cover. 제1항 내지 제3항 중 어느 한 항에 있어서,The method according to any one of claims 1 to 3, 상기 칼라휠커버는 열전도성 재료를 포함하는 것을 특징으로 하는 광학엔진장치. And the color wheel cover comprises a thermally conductive material. 제4항에 있어서, The method of claim 4, wherein 상기 열전도성 재료는 알루미늄 재질을 포함하는 것을 특징으로 하는 광학엔진장치.The thermally conductive material is an optical engine device, characterized in that it comprises an aluminum material. 제4항에 있어서, The method of claim 4, wherein 상기 열전도성 재료는 마그네슘 재질을 포함하는 것을 특징으로 하는 광학엔진장치. The thermally conductive material is an optical engine device, characterized in that it comprises a magnesium material.
KR1020050073863A 2005-08-11 2005-08-11 Optical engine apparatus KR100653068B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107329355A (en) * 2017-08-07 2017-11-07 李龙 Colour wheel heat abstractor and cooling system
CN109863450A (en) * 2016-10-19 2019-06-07 索尼公司 Light source unit and projection display apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109863450A (en) * 2016-10-19 2019-06-07 索尼公司 Light source unit and projection display apparatus
US11280996B2 (en) 2016-10-19 2022-03-22 Sony Corporation Light source unit and projection display apparatus
CN109863450B (en) * 2016-10-19 2022-04-29 索尼公司 Light source unit and projection display apparatus
CN107329355A (en) * 2017-08-07 2017-11-07 李龙 Colour wheel heat abstractor and cooling system

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