Patents by Inventor Youngmo JEONG
Youngmo JEONG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240069632Abstract: An augmented reality (AR) device for obtaining depth information of an object in a real world, includes: a gaze tracking sensor configured to obtain a gaze point by tracking a gaze direction of a user's eye; a depth sensor configured to obtain depth information of the object; a memory storing one or more instructions; and at least one processor configured to execute the one or more instructions to: determine a region of interest (ROI) confidence level indicating a degree to which at least one partial region within a field of view (FOV) of the AR device is predicted as an ROI, based on at least one of a moving speed, an acceleration, a fixation time, a fixation number, or a location of the gaze point; determine an ROI based on the ROI confidence level; and set a parameter for controlling an operation of the depth sensor to obtain depth information of the object within the ROI.Type: ApplicationFiled: October 27, 2023Publication date: February 29, 2024Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jongchul CHOI, Sangho YOON, Bonkon KOO, Jeonggeun YUN, Youngmo JEONG
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Publication number: 20240027768Abstract: A lens includes at least one lens element configured to interface with a user's pupil along an optical-axis direction from a side of the user's pupil to a side of a display surface. The at least one lens element defines an aperture stop that is configured to be at least a portion of an area for facing the user's pupil. The aperture stop defines a plurality of sub-stop areas corresponding to a plurality of gaze directions within an entire viewing angle of the user with respect to the optical-axis direction. An orientation of the plurality of sub-stop areas are based on a human visual system.Type: ApplicationFiled: August 11, 2023Publication date: January 25, 2024Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Youngmo JEONG, Jongchul CHOI
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Publication number: 20230401893Abstract: An electronic device includes a light source configured to output light, a pattern mask configured to change a path of light transmitted through a pattern of the pattern mask, an image sensor configured to receive light that is output from the light source, reflected by an eye, and transmitted through the pattern mask, and at least one processor configured to obtain a coded image that is phase-modulated based on light transmitted through the pattern mask, obtain a feature point of the eye from the coded image, and obtain gaze information of a user based on the feature point.Type: ApplicationFiled: June 9, 2023Publication date: December 14, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Bonkon KOO, Youngmo Jeong, Jongchul Choi
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Publication number: 20230375836Abstract: Provided are a projection lens optical system, and a projection device and a wearable device including the projection device. The projection lens optical system is used in a projection device of a wearable device and includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens, sequentially arranged from an emission area to an image plane, wherein the first lens has a positive refractive power, the second lens has a negative refractive power, the third lens has a positive refractive power, the fourth lens has a negative refractive power, the fifth lens has a negative refractive power, and the sixth lens has a positive refractive power, wherein the projection lens optical system satisfy the following Conditional Expression: LB/f?0.5.Type: ApplicationFiled: May 26, 2023Publication date: November 23, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Youngmo Jeong, Myongjo Choi, Jongchul Choi
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Publication number: 20230152592Abstract: Provided is an augmented reality (AR) display device. The AR display device includes an optical engine configured to output light of a virtual image and a light guide plate including a first region that receives the light of the virtual image, a third region that outputs the light of the virtual image, and a second region that propagates the light of the virtual image input to the first region toward the third region, in which a pupil expansion grating is formed in the second region to duplicate the light of the virtual image incident to the first region into a plurality of beamlets, and in the third region, an output grating array is formed in which a plurality of small diffractive grating regions are arranged at intervals equal to or less than a size of a pupil, in which a diameter of each of the plurality of small diffractive grating regions is equal to or less than the size of the pupil.Type: ApplicationFiled: January 17, 2023Publication date: May 18, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jeonggeun YUN, Kyusub Kwak, Kyookeun Lee, Youngmo Jeong
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Publication number: 20230152591Abstract: An augmented reality (AR) display device includes a display engine configured to project light of an image, and a waveguide configured to receive and output the projected light. The display engine includes a light source unit, a reflective display panel, and a projection optical system. The projection optical system includes an iris and a projection lens group arranged between the iris and the reflective display panel. The light source unit includes a light source or a light exit end positioned near the iris in a position deviating from an optical axis of the projection optical system, such that an incident angle range of light incident to the display panel does not overlap with a reflection angle range of light reflected from the display panel. The iris includes an effective opening through which light reflected from the display panel passes.Type: ApplicationFiled: January 17, 2023Publication date: May 18, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Myongjo CHOI, Youngmo JEONG
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Patent number: 11630312Abstract: An augmented reality display system includes a first beam path for a foveal inset image on a holographic optical element, a second beam path for a peripheral display image on the holographic optical element, and pupil position tracking logic that generates control signals to set a position of the foveal inset as perceived through the holographic optical element, to determine the peripheral display image, and to control a moveable stage.Type: GrantFiled: July 6, 2021Date of Patent: April 18, 2023Assignee: NVIDIA Corp.Inventors: Jonghyun Kim, Youngmo Jeong, Michael Stengel, Morgan McGuire, David Luebke
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Publication number: 20230114190Abstract: A waveguide and an augmented reality (AR) device employing the waveguide are disclosed. The waveguide includes a waveguide body, an input-coupling element inputting a light into the waveguide body, a reflective element disposed at one side of the waveguide body and again inputting a light that is not input into the waveguide body or is transmitted through the waveguide body into the waveguide body, and an output-coupling element outputting a light propagating inside the waveguide body to an outside.Type: ApplicationFiled: October 7, 2022Publication date: April 13, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jaeyeol RYU, Jeonggeun Yun, Kyusub Kwak, Youngmo Jeong, Myungjo Choi, Jongchul Choi
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Publication number: 20230085129Abstract: Provided is an electronic device including an optical engine including a projection lens configured to project light of a virtual image, a waveguide including an input grating on which the light of the virtual image is incident, an actuator configured to adjust a position of the projection lens relative to an optical axis of the projection lens, a light sensor configured to detect light passing through the input grating, a memory configured to store one or more instructions, and a processor configured to execute the one or more instructions to obtain a degree of parallelism of the light detected by the light sensor, obtain, based on the degree of parallelism of the light, a position adjustment value of the projection lens to detect light, and control the actuator to adjust a distance between the projection lens and the waveguide based on the position adjustment value.Type: ApplicationFiled: July 29, 2022Publication date: March 16, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Youngmo JEONG, Kyusub Kwak, Jaeyeol Ryu, Jeonggeun Yun, Myongjo Choi, Jongchul Choi
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Publication number: 20220269342Abstract: Provided is an electronic device for detecting lost portions of a field of vision and distorted portions of a field of vision and storing these in a vision map. The lost portions and distorted portions are identified in cooperation with the user by means of virtual image superposition on a real scene, audible requests to the user, gesture inputs provided by the user and gaze tracking. The electronic device may detect an object and provide visual information to a user when the object is in a lost portion or distorted portion of the field of vision.Type: ApplicationFiled: February 23, 2022Publication date: August 25, 2022Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Doyoun KIM, Harry Edward Milton, Bonkon Koo, Sangho Yoon, Youngmo Jeong
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Patent number: 11422622Abstract: An electronic device that outputs at least one calibration point through a display, obtains gaze information corresponding to the at least one calibration point by using a gaze tracking sensor in response to an output of guide information instructing a user wearing the electronic device to gaze at the at least one calibration point, obtains a gaze accuracy corresponding to the at least one calibration point based on the obtained gaze information, determines a gaze zone-specific resolution based on the gaze accuracy corresponding to the at least one calibration point, and outputs an image through the display based on the determined gaze zone-specific resolution.Type: GrantFiled: May 28, 2021Date of Patent: August 23, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Youngmo Jeong, Bonkon Koo, Sunghwan Shin
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Publication number: 20220229490Abstract: An augmented reality (AR) device for detecting a user's gaze and a method thereof are provided. The AR device includes a waveguide; a light reflector including a pattern; a support configured to fix the AR device to the user's face of the AR device; a light emitter and a light receiver installed on the support; and at least one processor, wherein the at least one processor is configured to control the light emitter to emit light toward the light reflector, identify the pattern based on the light received through the light receiver, and obtain gaze information of a user of the AR device based on the identified pattern.Type: ApplicationFiled: January 21, 2022Publication date: July 21, 2022Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Bonkon KOO, Sunghwan SHIN, Youngmo JEONG
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Publication number: 20210373658Abstract: An electronic device that outputs at least one calibration point through a display, obtains gaze information corresponding to the at least one calibration point by using a gaze tracking sensor in response to an output of guide information instructing a user wearing the electronic device to gaze at the at least one calibration point, obtains a gaze accuracy corresponding to the at least one calibration point based on the obtained gaze information, determines a gaze zone-specific resolution based on the gaze accuracy corresponding to the at least one calibration point, and outputs an image through the display based on the determined gaze zone-specific resolution.Type: ApplicationFiled: May 28, 2021Publication date: December 2, 2021Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Youngmo JEONG, Bonkon KOO, Sunghwan SHIN
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Patent number: 11188026Abstract: An apparatus for manufacturing a hologram includes a holographic optical element on which a first interference pattern of a first signal beam and a first reference beam is recorded and a second interference pattern of a second signal beam modulated by a Fourier lens and a second reference beam is recorded. Also, an apparatus for reconstructing a hologram by using the holographic optical element is provided.Type: GrantFiled: January 9, 2020Date of Patent: November 30, 2021Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Byoungho Lee, Youngmo Jeong, Gang Li, Dukho Lee
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Publication number: 20210341741Abstract: An augmented reality display system includes a first beam path for a foveal inset image on a holographic optical element, a second beam path for a peripheral display image on the holographic optical element, and pupil position tracking logic that generates control signals to set a position of the foveal inset as perceived through the holographic optical element, to determine the peripheral display image, and to control a moveable stage.Type: ApplicationFiled: July 6, 2021Publication date: November 4, 2021Applicant: NVIDIA Corp.Inventors: Jonghyun Kim, Youngmo Jeong, Michael Stengel, Morgan McGuire, David Luebke
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Patent number: 11067806Abstract: An augmented reality display system includes a first beam path for a foveal inset image on a holographic optical element, a second beam path for a peripheral display image on the holographic optical element, and pupil position tracking logic that generates control signals to set a position of the foveal inset as perceived through the holographic optical element, to determine the peripheral display image, and to control a moveable stage.Type: GrantFiled: May 31, 2019Date of Patent: July 20, 2021Assignee: NVIDIA Corp.Inventors: Jonghyun Kim, Youngmo Jeong, Michael Stengel, Morgan McGuire, David Luebke
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Publication number: 20200301146Abstract: An augmented reality display system includes a first beam path for a foveal inset image on a holographic optical element, a second beam path for a peripheral display image on the holographic optical element, and pupil position tracking logic that generates control signals to set a position of the foveal inset as perceived through the holographic optical element, to determine the peripheral display image, and to control a moveable stage.Type: ApplicationFiled: May 31, 2019Publication date: September 24, 2020Inventors: Jonghyun Kim, Youngmo Jeong, Michael Stengel, Morgan McGuire, David Luebke
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Publication number: 20200183329Abstract: An apparatus for manufacturing a hologram includes a holographic optical element on which a first interference pattern of a first signal beam and a first reference beam is recorded and a second interference pattern of a second signal beam modulated by a Fourier lens and a second reference beam is recorded. Also, an apparatus for reconstructing a hologram by using the holographic optical element is provided.Type: ApplicationFiled: January 9, 2020Publication date: June 11, 2020Inventors: Byoungho LEE, Youngmo JEONG, Gang LI, Dukho LEE
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Patent number: 10564604Abstract: An apparatus for manufacturing a hologram includes a holographic optical element on which a first interference pattern of a first signal beam and a first reference beam is recorded and a second interference pattern of a second signal beam modulated by a Fourier lens and a second reference beam is recorded. Also, an apparatus for reconstructing a hologram by using the holographic optical element is provided.Type: GrantFiled: November 8, 2017Date of Patent: February 18, 2020Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Byoungho Lee, Youngmo Jeong, Gang Li, Dukho Lee
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Patent number: 10339363Abstract: Provided are apparatuses and methods using an optical speckle. An apparatus may include a light source configured to emit coherent light to an object and an imaging device configured to photograph a speckle pattern generated on the object by the coherent light. The apparatus may also include a processor having a function of determining whether the object is a living body or a non-living body by measuring a contrast of the speckle pattern. The processor may be configured to determine whether the object is a living body or not by comparing the contrast of the speckle pattern with a threshold contrast or a reference contrast previously registered by a user. The apparatus may be used by being applied to a fingerprint recognition system.Type: GrantFiled: April 25, 2017Date of Patent: July 2, 2019Assignees: SAMSUNG ELECTRONICS CO., LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Jaesoong Lee, Byoungho Lee, Youngmo Jeong