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公开(公告)号：US09547186B2
公开(公告)日：2017-01-17
申请号：US14965105
申请日：2015-12-10
Applicant: Samsung Electronics Co., Ltd.
Inventor： Seung-hoon Han , Yong-hwa Park , Chang-gyun Shin , Hong-seok Lee
CPC classification number: G02F1/0102 , B82Y20/00 , G02B5/008 , G02F1/01 , G02F1/19 , G02F2203/10
Abstract: Provided are examples of light modulators and optical apparatuses that may include the light modulators. A light modulator may include a plasmonic nano-antenna and an element for changing plasmon resonance characteristics of the plasmonic nano-antenna. The plasmon resonance characteristics of the plasmonic nano-antenna may be changed due to a change in refractive index of the element, and thus light may be modulated.
Abstract translation: 提供可以包括光调制器的光调制器和光学装置的示例。 光调制器可以包括等离子体激元纳米天线和用于改变等离子体激元纳米天线的等离子体共振特性的元件。 等离子体激元纳米天线的等离子体共振特性可能由于元件的折射率的变化而改变，因此可以调制光。
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2.发明授权公开(公告)号：US09398200B2
公开(公告)日：2016-07-19
申请号：US14337638
申请日：2014-07-22
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jang-woo You , Yong-hwa Park , Hee-sun Yoon
IPC: G02B27/14 , G02B27/12 , H04N9/07 , H04N5/225 , G02B27/10 , G03B35/00 , G01S17/89 , G01S7/481 , G02B5/04 , H04N13/02
CPC classification number: H04N5/2254 , G01S7/481 , G01S17/89 , G02B5/04 , G02B27/1006 , G03B35/00 , G03B35/08 , H04N5/2256 , H04N13/25 , H04N13/254 , H04N13/271
Abstract: Provided are a wavelength separation device and a 3-dimensional (3D) image acquisition apparatus including the same. The wavelength separation device includes a first prism having an inclined surface and a second prism bonded to a first region of the inclined surface of the first prism. A wavelength separation coating may be disposed at a junction between the first portion of the inclined surface of the first prism and the second prism, and a second portion of the inclined surface of the first prism, different from the first portion, is a total reflection surface that totally internally reflects light.
Abstract translation: 提供了包括其的波长分离装置和3维（3D）图像获取装置。 波长分离装置包括具有倾斜表面的第一棱镜和结合到第一棱镜的倾斜表面的第一区域的第二棱镜。 波长分离涂层可以设置在第一棱镜的倾斜表面的第一部分和第二棱镜之间的接合处，并且与第一部分不同的第一棱镜的倾斜表面的第二部分是全反射 表面完全内部反射光。
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公开(公告)号：US10097741B2
公开(公告)日：2018-10-09
申请号：US15690874
申请日：2017-08-30
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jang-woo You , Yong-hwa Park , Hee-sun Yoon
IPC: H04N13/02 , G01C3/08 , H04N5/225 , G01S17/89 , G01S17/08 , G01S7/481 , G01B11/25 , H04N13/254 , H04N13/271
Abstract: Provided are a depth camera and methods of measuring a depth image by using the depth camera. The depth camera is a time-of-flight (TOF) depth camera including: an illumination device that illuminates a patterned light to an object; a filter unit that reduces noise light included in light reflected by the object; and an image sensor that provides a depth image of the object by receiving light that enters through the filter unit. The illumination device includes: a light source; and a patterned light generator that changes the light emitted from the light source into the patterned light. The filter unit includes a band pass filter and an optical modulator. The patterned light generator may be a diffractive optical element or a refractive optical element.
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公开(公告)号：US09082909B2
公开(公告)日：2015-07-14
申请号：US14148009
申请日：2014-01-06
Inventor： Yong-chul Cho , Yong-tak Lee , Chang-young Park , Byung-hoon Na , Yong-hwa Park , Gun-wu Ju , Hee-ju Chio
IPC: H01L31/0352
CPC classification number: H01L31/035209 , G02F1/01725 , G02F2001/0175 , G02F2202/101
Abstract: Provided is an optical device which includes an active layer which includes at least two outer barriers and at least one coupled quantum well, each of the at least one coupled quantum well is sandwiched between the at least two outer barriers. Each of the at least one coupled quantum well includes at least three quantum well layers and at least two coupling barriers interposed between the at least three quantum layers. The at least two coupling barriers have a potential energy which is higher than a ground level and is lower than energy levels of the at least two outer barriers.
Abstract translation: 提供了一种光学器件，其包括有源层，该有源层包括至少两个外部屏障和至少一个耦合量子阱，所述至少一个耦合量子阱中的每一个被夹在所述至少两个外部屏障之间。 所述至少一个耦合量子阱中的每一个包括至少三个量子阱层和插入在所述至少三个量子层之间的至少两个耦合屏障。 所述至少两个耦合屏障具有高于地平面并且低于所述至少两个外部屏障的能量水平的势能。
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公开(公告)号：US10698237B2
公开(公告)日：2020-06-30
申请号：US15890732
申请日：2018-02-07
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Chang-young Park , Yong-hwa Park , Sang-hun Lee
Abstract: An optical modulator and a 3D image acquisition apparatus including an optical modulator are provided. The optical modulator is disposed in a multiple quantum well including a plurality of quantum wells and a plurality of quantum barriers, and includes at least one carrier block disposed in the multiple quantum well restricting the carrier movement between the multiple quantum wells.
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Patent Agency Ranking
公开(公告)号：US09894347B2
公开(公告)日：2018-02-13
申请号：US14252086
申请日：2014-04-14
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hee-sun Yoon , Jang-woo You , Yong-hwa Park , Yong-chul Cho , Min-chul Yu
CPC classification number: H04N13/271 , G01S7/481 , G01S17/89
Abstract: Provided is a 3-dimensional (3D) image acquisition apparatus and a method of driving the same. The 3D image acquisition apparatus includes a light source, an optical shutter, an image sensor, an image signal processor, and a controller. The light source is configured to project illumination light on an object. The optical shutter is configured to modulate the illumination light reflected from the object with a predetermined gain waveform. The image sensor is configured to generate a depth image by detecting the illumination light modulated by the optical shutter. The image signal processor is configured to calculate a distance from the 3D image acquisition apparatus to the object using the depth image generated by the image sensor. The controller is configured to control an operation of the light source and an operation of the optical shutter.
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公开(公告)号：US09781318B2
公开(公告)日：2017-10-03
申请号：US14312954
申请日：2014-06-24
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jang-woo You , Yong-hwa Park , Hee-sun Yoon
CPC classification number: H04N5/2254 , G01B11/2513 , G01S7/4811 , G01S17/08 , G01S17/89 , H04N5/2256 , H04N13/254 , H04N13/271
Abstract: Provided are a depth camera and methods of measuring a depth image by using the depth camera. The depth camera is a time-of-flight (TOF) depth camera including: an illumination device that illuminates a patterned light to an object; a filter unit that reduces noise light included in light reflected by the object; and an image sensor that provides a depth image of the object by receiving light that enters through the filter unit. The illumination device includes: a light source; and a patterned light generator that changes the light emitted from the light source into the patterned light. The filter unit includes a band pass filter and an optical modulator. The patterned light generator may be a diffractive optical element or a refractive optical element.
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公开(公告)号：US09749613B2
公开(公告)日：2017-08-29
申请号：US14247907
申请日：2014-04-08
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Yong-hwa Park , Sun-kwon Kim , Hee-sun Yoon
CPC classification number: H04N13/271 , G01S7/4914 , G01S17/36 , G01S17/89 , G06T5/003 , G06T5/50 , G06T2207/10016 , G06T2207/10028 , G06T2207/20201 , H04N5/23264
Abstract: Provided are a three-dimensional (3D) image acquisition apparatus, and a method of generating a depth image in the 3D image acquisition apparatus. The method may include sequentially projecting a light transmission signal, which is generated from a light source, to a subject, modulating reflected light, which is reflected by the subject, using a light modulation signal, calculating a phase delay using a combination of a first plurality of images of two groups, from among a second plurality of images of all groups obtained by capturing the modulated reflected light, and generating a depth image based on the phase delay.
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公开(公告)号：US09671627B2
公开(公告)日：2017-06-06
申请号：US14298391
申请日：2014-06-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sang-hun Lee , Chang-young Park , Yong-hwa Park
IPC: G02F1/03 , G02F1/017 , H01L27/146 , G02F1/015 , G02F1/21
CPC classification number: G02F1/017 , G02F1/01716 , G02F2001/0157 , G02F2001/213 , H01L27/14625 , H01L27/14685
Abstract: Disclosed are a transparent optical shutter which may be manufactured at the wafer level, and a method of manufacturing a transparent optical shutter at the wafer level. In the disclosed optical shutter, a polymer-based material is used as a transparent protective layer for ensuring the mechanical or chemical stability of the optical shutter, and thus, the shutter may be manufactured at the wafer level in large quantities. Also, a layer which is optically transparent and has excellent heat conductivity is disposed under the transparent protective layer.
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公开(公告)号：US09285611B2
公开(公告)日：2016-03-15
申请号：US14202358
申请日：2014-03-10
Applicant: Samsung Electronics Co., Ltd.
Inventor： Seung-hoon Han , Yong-hwa Park , Chang-gyun Shin , Hong-seok Lee
CPC classification number: G02F1/0102 , B82Y20/00 , G02B5/008 , G02F1/01 , G02F1/19 , G02F2203/10
Abstract: Provided are examples of light modulators and optical apparatuses that may include the light modulators. A light modulator may include a plasmonic nano-antenna and an element for changing plasmon resonance characteristics of the plasmonic nano-antenna. The plasmon resonance characteristics of the plasmonic nano-antenna may be changed due to a change in refractive index of the element, and thus light may be modulated.
Abstract translation: 提供可以包括光调制器的光调制器和光学装置的示例。 光调制器可以包括等离子体激元纳米天线和用于改变等离子体激元纳米天线的等离子体共振特性的元件。 等离子体激元纳米天线的等离子体共振特性可能由于元件的折射率的变化而改变，因此可以调制光。
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