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公开(公告)号：US11480349B2
公开(公告)日：2022-10-25
申请号：US16964035
申请日：2018-02-14
发明人： Wan-soo Yang , Tae-woo Kang , Sung-tae Kim , Seong-hwan Jang , Wang-byung Chae , Jei-min Choi
摘要： An outdoor unit of an air conditioner includes a compressor that compresses a first refrigerant introduced from an indoor unit of the air conditioner and a condenser that condenses the first refrigerant compressed by the compressor. A first driving circuit drives the compressor and a second driving circuit regulates a voltage of the first driving circuit. A cooling unit includes: a heat dissipation member that comes into thermal contact with the first driving circuit and the second driving circuit, and a refrigerant pipe that is provided in the heat dissipation member, and has a path along which a second refrigerant moves through the first driving circuit and the second driving circuit. As a result, it is possible to efficiently cool the first driving circuit and the second driving circuit.
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公开(公告)号：US09664990B2
公开(公告)日：2017-05-30
申请号：US14694643
申请日：2015-04-23
发明人： Sung-tae Kim , Yong-Dok Cha
IPC分类号： G03B21/20 , F21V13/14 , F21V33/00 , G02B27/14 , G02B26/00 , F21K9/64 , G02B5/02 , F21W131/40 , F21Y101/00 , F21Y115/30
CPC分类号： G03B21/204 , F21K9/64 , F21V13/14 , F21V33/0052 , F21W2131/40 , F21Y2101/00 , F21Y2115/10 , F21Y2115/30 , G02B5/0278 , G02B26/008 , G02B27/141 , G03B21/2013 , G03B21/2066 , G03B21/208
摘要： An illumination apparatus is provided, including a light source unit which includes at least one laser diode emitting light of a single color; a diffuser plate which disperses the light emitted from the light source unit; a fly-eye lens array which transmits light dispersed by the diffuser plate; and a fluorescent unit on which light transmitted by the fly-eye lens array is incident and which emits white light.
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公开(公告)号：US10569617B2
公开(公告)日：2020-02-25
申请号：US15630765
申请日：2017-06-22
发明人： Chang-soo Lim , Seong-hwan Jang , Sung-tae Kim , Jong-tae Kim , Jeong-seon Park , Seung-jin Yun
IPC分类号： B60H1/00
摘要： An outdoor unit for an air conditioner is provided, which includes a case, a plurality of path portions separated from each other in the case and having a same discharge port, electronic units arranged on the plurality of path portions, and an air circulator arranged on the discharge port of the plurality of path portions to compulsorily circulate air in the case to an outside of the case through the plurality of path portions of the case.
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公开(公告)号：US09645477B2
公开(公告)日：2017-05-09
申请号：US14625251
申请日：2015-02-18
发明人： Yong-Dok Cha , Sung-tae Kim
CPC分类号： G03B21/006 , G02B5/3016 , G03B21/2033 , G03B21/2073
摘要： Provided is a polarization light emitting diode (LED) module including: a casing comprising an opening; a light source configured to emit light; a reflective polarizer configured to transmit first polarized light of the light emitted from the light source through the opening of the casing toward an external polarization converter, and configured to reflect second polarized light of the light emitted from the light source toward the light source; and a reflector configured to reflect light, which is reflected from the reflective polarizer and traveling toward the light source, toward the reflective polarizer, wherein the light source, the reflective polarizer and the reflector are provided inside the casing.
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公开(公告)号：US09057941B2
公开(公告)日：2015-06-16
申请号：US14085084
申请日：2013-11-20
发明人： Jeong-ho Nho , Sung-tae Kim , Sang-hyun Sohn , Won-yong Lee , Yong-Dok Cha
CPC分类号： G03B21/60 , G02B5/0278 , G03B21/56
摘要： Provided is a front reflection screen for a front projection display apparatus. The front reflection screen includes a reflection layer configured to reflect an incident light including an image light projected from a projector and an external light, and a tint layer disposed before the reflection layer and including light absorbing particles to block a portion of the incident light.
摘要翻译： 提供一种用于前投影显示装置的前反射屏。 前反射屏幕包括反射层，其被配置为反射包括从投影仪投影的图像光和外部光的入射光，以及设置在反射层之前并包括光吸收粒子以阻挡入射光的一部分的着色层。
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