Patents by Inventor Sang Uk Lee
Sang Uk Lee 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: 20240140289Abstract: An automatically operatable electric wing-out headrest includes a motor having a lead screw configured to adjust forward-and-rearward rotation of wing-out pads respectively mounted on the opposite sides of a headrest body, a first slider coupled to the lead screw so as to be movable upwards and downwards, a second slider configured to contact the first slider so as to be movable forwards and rearwards, and a wing-out link connected to the second slider to rotate a wing-out frame.Type: ApplicationFiled: March 3, 2023Publication date: May 2, 2024Inventors: Sang Uk Yu, Tae Hoon Lee, Sang Ho Kim, Seung Young Lee, Jun Namgoong, Yong Jun Shin
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Publication number: 20240144858Abstract: The present disclosure relates to a clock generator and a display device including the same. The clock generator includes a first clock generation circuit configured to output a clock, data, and a timing control signal; a first wiring through which the clock is serially transmitted; a second wiring through which the data is serially transmitted; a third wiring through which a pulse of the timing control signal is serially transmitted; a second clock generation circuit connected to the first clock generation circuit through the first wiring, the second wiring, and the third wiring and configured to generate pre-clocks in which phases are sequentially shifted based on the data and the clock; and a clock adjustment circuit configured to receive the pulse of the timing control signal and the pre-clock and output an output clock.Type: ApplicationFiled: September 27, 2023Publication date: May 2, 2024Inventors: Soon Dong CHO, Jae Won HAN, Jung Jae KIM, Min Gyu PARK, Sang Uk LEE
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Publication number: 20240140288Abstract: An electric headrest sliding device includes a slider configured to be movable upwards and downwards by driving of a motor, a front frame of a headrest, and a rotation link configured to connect the slider to the front frame, wherein the rotation link is rotated forwards or rearwards to push or pull the front frame during upward-and-downward movement of the slider, thereby accurately adjusting the front and rear positions of the headrest.Type: ApplicationFiled: March 3, 2023Publication date: May 2, 2024Inventors: Sang Uk Yu, Tae Hoon Lee, Sang Ho Kim, Seung Young Lee, Jun Namgoong, Yong Jun Shin
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Publication number: 20240127748Abstract: A display device includes a scan driver to supply scan signals to first and second scan lines, a data driver to supply a data signal to data lines, a sensor connected to sensing lines, and pixels including a light-emitting element, a driving transistor to control an amount of current supplied to the light-emitting element in response to a voltage of a first node, a switching transistor between a j-th data line and the first node, and including a gate electrode coupled to an i-th first scan line, and a sensing transistor coupled between a second node, which is between the light-emitting element and the driving transistor, and a k-th sensing line, and including a gate electrode coupled to an i-th second scan line, and wherein the sensor is to sense deterioration information of the light-emitting element in a state in which the switching and sensing transistors are turned on.Type: ApplicationFiled: October 12, 2023Publication date: April 18, 2024Inventors: Hyuk KIM, Jong Hee KIM, Doo Young LEE, Chang Soo LEE, Sang Uk LIM, Bo Yong CHUNG
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Patent number: 11961822Abstract: A display device includes a substrate including a plurality of emission areas respectively corresponding to a plurality of subpixels for displaying an image, a plurality of light emitting elements respectively located in the plurality of emission areas of a first surface of the substrate and respectively corresponding to the plurality of subpixels, a first planarization layer on the first surface of the substrate and covering the plurality of light emitting elements, and an array layer on the first planarization layer.Type: GrantFiled: December 7, 2022Date of Patent: April 16, 2024Assignee: Samsung Display Co., Ltd.Inventors: Hyun Joon Kim, Jung Hwan Hwang, Kye Uk Lee, Sang Jin Jeon
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Publication number: 20240112626Abstract: A display device includes a scan write line, a PWM emission line, a PAM emission line, a sweep signal line, a first data line, a second data line, and a subpixel connected thereto, and including a light emitting element, a first pixel driver to supply a control current to a node according to the first data voltage in response to the PWM emission signal, a second pixel driver to generate a driving current according to the second data voltage in response to the PWM emission signal, and a third pixel driver to supply the driving current to the light emitting element according to the PAM emission signal and a voltage of the node, wherein the PWM emission signal includes a plurality of PWM pulses, the PAM emission signal includes a plurality of PAM pulses, and a number of the PWM pulses is greater than a number of the PAM pulses.Type: ApplicationFiled: December 4, 2023Publication date: April 4, 2024Inventors: Jung Hwan HWANG, Hyun Joon KIM, Kye Uk LEE, Sang Jin JEON, Jun Ki JEONG
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Publication number: 20240107751Abstract: A semiconductor memory device is provided. The semiconductor memory device comprises a substrate including a cell region having an active region defined by a cell element isolation layer, a peripheral region near the cell region, and a boundary region between the cell region and the peripheral region. The device includes a word line structure in the substrate and extending in a first direction, a bit line structure on the substrate extending from the cell region to the boundary region in a second direction that crosses the first direction, including first and second cell conductive layers sequentially stacked on the substrate, and a bit line contact between the substrate and the bit line structure and connecting the substrate with the bit line structure. The second cell conductive layer in the boundary region is thicker than the second cell conductive layer in the cell region.Type: ApplicationFiled: July 14, 2023Publication date: March 28, 2024Applicant: Samsung Electronics Co., Ltd.Inventors: Jin A KIM, Kang-Uk KIM, Sang Hoon MIN, Choong Hyun LEE
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Patent number: 11942762Abstract: A surface-emitting laser device according to an embodiment comprises: a first electrode; a substrate arranged on the first electrode; a first reflection layer arranged on the substrate; an active region arranged on the first reflection layer and including a cavity; an opening region arranged on the active region and including an aperture and an insulation region; a second reflection layer arranged on the opening region; a second electrode arranged on the second reflection layer; and a delta doping layer arranged in the opening region. The thickness of the insulation region becomes thinner in the direction of the aperture, and the delta doping layer can be arranged at the aperture.Type: GrantFiled: April 4, 2019Date of Patent: March 26, 2024Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.Inventors: Jeong Sik Lee, Sang Heon Han, Keun Uk Park, Yeo Jae Yoon
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Publication number: 20240096283Abstract: A display device includes a display panel including pixels, a gate driver which sequentially applies scan signals to pixel rows including the pixels at a scan frequency, a data driver which applies data voltages to the pixels, a power voltage generator which applies a power voltage to the pixels, and a timing controller which sets a ripple frequency of the power voltage to deviate from the scan frequency by a predetermined reference ratio or more.Type: ApplicationFiled: May 16, 2023Publication date: March 21, 2024Inventors: SANG-UK LIM, JONGHEE KIM, HYUK KIM, SEUNGHYUN PARK, DOO-YOUNG LEE, BOYONG CHUNG
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Publication number: 20240087503Abstract: A display device includes pixels each including a driving transistor and a light-emitting element, a sensing unit which generates a digital data by receiving a sensing voltage corresponding to a characteristic of a driving transistor from a predetermined pixel among the pixels during a sensing period, and generates sensing data using the digital data, and a timing controller which receives input data from an outside, corrects the input data using the sensing data and generates output data, and the sensing unit generates one sensing data using two or more digital data corresponding to the predetermined pixel.Type: ApplicationFiled: May 19, 2023Publication date: March 14, 2024Inventors: Sang Uk LIM, Hyuk KIM, Doo Young LEE, Bo Yong CHUNG
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Publication number: 20240078962Abstract: Provided is a gate driving circuit comprising an N-th stage and an N+1-th stage. The N-th stage outputs an N-th scan gate signal based on an N-th scan clock signal, a voltage of a QN node, and a voltage of a QBN node and to output an N-th carry signal based on an N-th carry clock signal, the voltage of the QN node, and the voltage of the QBN node. The N+1-th stage outputs an N+1-th scan gate signal based on an N+1-th scan clock signal, a voltage of a QN+1 node, and the voltage of the QBN node and an N+1-th carry signal based on an N+1-th carry clock signal, the voltage of the QN+1 node, and the voltage of the QBN node. The N-th stage and the N+1-th stage share an inverting circuit. The inverting circuit controls the QBN node based on a third signal. N is a positive integer.Type: ApplicationFiled: May 3, 2023Publication date: March 7, 2024Inventors: HYUK KIM, JONGHEE KIM, DOO-YOUNG LEE, CHANG-SOO LEE, SANG-UK LIM, BOYONG CHUNG
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Publication number: 20240075951Abstract: Provided are methods for generating future maneuver parameters in a planner, which include receiving at least one first set of parameters associated with one or more previous maneuvers of a vehicle and at least one second set of parameters associated with a maneuver goal of the vehicle, generating, using the first and second sets of parameters, a future maneuver parameter corresponding to a future maneuver of the vehicle, training at least one data model by comparing the generated future maneuver parameter to one or more reference maneuver parameters, generating, based on training, a corrected future maneuver parameter. The corrected future maneuver parameter includes a future maneuver of the vehicle and a correction to the future maneuver of the vehicle. The first set of parameters includes the generated corrected future maneuver parameter, which is used to correct at least one first parameter. The training is executed using the corrected first parameter.Type: ApplicationFiled: March 29, 2023Publication date: March 7, 2024Inventors: Caglayan Dicle, Sammy Omari, Nanxiang Li, Sang Uk Lee, Eric Wolff
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Publication number: 20240071299Abstract: A display device includes connection lines, pulse amplitude modulation (PAM) data lines configured to receive pulse width modulation (PWM) data voltages, PWM data lines configured to receive the PWM data voltages, a first connection control line configured to receive a first connection control signal, a second connection control line configured to receive a second connection control signal, subpixels connected to the PWM data lines and the PAM data lines, and a first demultiplexer (demux) unit configured to connect the connection lines to the PAM data lines or to the PWM data lines according to the first connection control signal and the second connection control signal.Type: ApplicationFiled: October 30, 2023Publication date: February 29, 2024Inventors: Jung Hwan HWANG, Hyun Joon KIM, Kye Uk LEE, Jun Ki JEONG, Sang Jin JEON
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Publication number: 20230306895Abstract: A power supply including a first converter configured to convert an input voltage into a first output voltage; a second converter configured to convert the first output voltage into a second output voltage; a first feedback circuit configured to output a first pulse width modulation (PWM) signal to the first converter to control a level of the first output voltage; and a mode controller configured to compare the input voltage and a reference voltage and determine whether the first converter operates in a first mode or a second mode based on the compared result. When the input voltage is less than or equal to the reference voltage, the first converter boosts the input voltage and output the boosted voltage as the first output voltage in the first mode, and when the input voltage is greater than the reference voltage, the first converter bypasses the input voltage and output the bypassed voltage as the first output voltage in the second mode.Type: ApplicationFiled: May 23, 2023Publication date: September 28, 2023Applicant: LG Display Co., Ltd.Inventors: Hoon JANG, Sang-Uk LEE, Taehwa PARK, SoonDong CHO, Wonyong JANG
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Patent number: 11699384Abstract: A display device can include a display panel having a plurality of pixels disposed on a substrate, and a power supplier configured to supply a driving voltage to the display panel. The power supplier can include a first converter configured to receive an input voltage supplied from an external system and convert the input voltage into a boost voltage, a second converter configured to convert the boost voltage into the driving voltage, a first feedback unit configured to output a first pulse width modulation (PWM) signal to the first converter so that the boost voltage is proportional to a first reference voltage, and a second feedback unit configured to output a second PWM signal to the second converter so that the driving voltage is proportional to a second reference voltage.Type: GrantFiled: September 9, 2022Date of Patent: July 11, 2023Assignee: LG DISPLAY CO., LTD.Inventors: Hoon Jang, Sang-Uk Lee, Taehwa Park, SoonDong Cho, Wonyong Jang
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Publication number: 20230154381Abstract: A display device can include a display panel having a plurality of pixels disposed on a substrate, and a power supplier configured to supply a driving voltage to the display panel. The power supplier can include a first converter configured to receive an input voltage supplied from an external system and convert the input voltage into a boost voltage, a second converter configured to convert the boost voltage into the driving voltage, a first feedback unit configured to output a first pulse width modulation (PWM) signal to the first converter so that the boost voltage is proportional to a first reference voltage, and a second feedback unit configured to output a second PWM signal to the second converter so that the driving voltage is proportional to a second reference voltage.Type: ApplicationFiled: September 9, 2022Publication date: May 18, 2023Applicant: LG Display Co., Ltd.Inventors: Hoon JANG, Sang-Uk LEE, Taehwa PARK, SoonDong CHO, Wonyong JANG
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Patent number: 11643108Abstract: Provided are methods for generating future maneuver parameters in a planner, which include receiving at least one first set of parameters associated with one or more previous maneuvers of a vehicle and at least one second set of parameters associated with a maneuver goal of the vehicle, generating, using the first and second sets of parameters, a future maneuver parameter corresponding to a future maneuver of the vehicle, training at least one data model by comparing the generated future maneuver parameter to one or more reference maneuver parameters, generating, based on training, a corrected future maneuver parameter. The corrected future maneuver parameter includes a future maneuver of the vehicle and a correction to the future maneuver of the vehicle. The first set of parameters includes the generated corrected future maneuver parameter, which is used to correct at least one first parameter. The training is executed using the corrected first parameter.Type: GrantFiled: June 23, 2022Date of Patent: May 9, 2023Assignee: Motional AD LLCInventors: Caglayan Dicle, Sammy Omari, Nanxiang Li, Sang Uk Lee, Eric Wolff
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Publication number: 20220384595Abstract: A deep trench layout implementation for a semiconductor device is provided. The semiconductor device includes an isolation film with a shallow depth, an active area, and a gate electrode formed in a substrate; a deep trench isolation surrounding the gate electrode and having one or more trench corners; and a gap-fill insulating film formed inside the deep trench isolation. The one or more trench corners is formed in a slanted shape from a top view.Type: ApplicationFiled: December 23, 2021Publication date: December 1, 2022Applicant: KEY FOUNDRY CO., LTD.Inventors: Yang Beom KANG, Sang Uk LEE
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Publication number: 20220299654Abstract: Disclosed are a method for modulation of a variable binary offset carrier (VBOC) having a discrete time-variant frequency and a satellite navigation signal generator using the same. The method for modulation of a VBOC having a discrete time-variant frequency may comprise: generating navigation message data; generating a carrier; generating a VBOC subcarrier; generating a pseudo-random code; synthesizing the pseudo code and the VBOC subcarrier; and synthesizing a synthesized signal of the pseudo code and the VBOC subcarrier, the carrier, and the navigation message data.Type: ApplicationFiled: March 15, 2022Publication date: September 22, 2022Inventors: Sang Uk LEE, Seung Hyun KONG, Sang Jae CHO, Tai Sun KIM, Seung Hwan CHUNG
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Patent number: 11373603Abstract: The present disclosure provides a light emitting display apparatus including a display panel displaying an image, a power supply supplying a driving voltage to the display panel, a data driver supplying a data voltage to the display panel, a timing controller controlling the power supply and the data driver, and a sensing circuit unit receiving a feedback component of the driving voltage as a feedback voltage and selectively sensing an electrically stabilized period in the feedback voltage based on an internal control signal of the power supply.Type: GrantFiled: June 24, 2021Date of Patent: June 28, 2022Assignee: LG Display Co., Ltd.Inventors: Sang Uk Lee, Soon Dong Cho, Jung Jae Kim