Patents by Inventor Hyuck Jun KIM
Hyuck Jun KIM 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).
-
Patent number: 11978837Abstract: A light emitting module unit includes a circuit board and a light emitting device. The light emitting device includes a plurality of light emitting elements electrically coupled through the circuit board, one or more electrodes arranged on a first surface of the plurality of light emitting elements, a surface barrier formed on a second surface of one or more of the plurality of light emitting elements, and an encapsulation portion disposed above a third surface of the plurality of light emitting elements. The surface barrier is disposed between the encapsulation portion and the second surface of one or more of the plurality of light emitting elements.Type: GrantFiled: April 20, 2022Date of Patent: May 7, 2024Assignee: SEOUL SEMICONDUCTOR CO., LTD.Inventors: Seung Ri Choi, Hyuck Jun Kim, Se Min Bang, Do Choul Woo, Se Won Tae
-
Patent number: 11847975Abstract: A display device includes a display panel configured to display an image, a gate driver connected to gate lines of the display panel, and a data driver connected to data lines of the display panel, and the data driver provides duplicates of red, green and blue data signals, except for a white data signal, in a digital data signal having a 4:2:0 format externally input thereto, and converts the white data signal, the red, green and blue data signals, and the duplicated red, green and blue data signals, thereby outputting an analog data voltage having a 4:4:4 format.Type: GrantFiled: October 29, 2022Date of Patent: December 19, 2023Assignee: LG DISPLAY CO., LTD.Inventors: Kyung Rok Kim, Min Kim, Hyuck Jun Kim
-
Patent number: 11804179Abstract: An electroluminescent display device according to an embodiment of the present disclosure includes a pixel including a driving element having a gate electrode connected to a data line and a source electrode connected to a readout line, a sensing circuit configured to sense a voltage of the readout line which changes according to a pixel current flowing through the driving element during sensing operation, and a boosting circuit connected between the data line and the readout line and configured to change a voltage of the data line according to the changed voltage in the readout line during the sensing operation.Type: GrantFiled: November 30, 2021Date of Patent: October 31, 2023Assignee: LG Display Co., Ltd.Inventors: Min Kim, Hyuck Jun Kim, Ji Su Choi, Tae Young Lee
-
Patent number: 11763755Abstract: A light emitting display (LED) device can include a display panel configured to display an image; and a data driver including a panel driving circuit configured to drive the display panel and a panel sensing circuit configured to sense a condition of the display panel, in which the panel driving circuit includes a first data voltage output circuit to output a voltage to both of a first data line and a first reference line of the display panel to display black on a first sub-pixel included in the display panel.Type: GrantFiled: May 2, 2022Date of Patent: September 19, 2023Assignee: LG DISPLAY CO., LTD.Inventors: Hyuck Jun Kim, Tae Young Lee, Ji Su Choi
-
Publication number: 20230206859Abstract: A display device includes a display panel configured to display an image, a gate driver connected to gate lines of the display panel, and a data driver connected to data lines of the display panel, and the data driver provides duplicates of red, green and blue data signals, except for a white data signal, in a digital data signal having a 4:2:0 format externally input thereto, and converts the white data signal, the red, green and blue data signals, and the duplicated red, green and blue data signals, thereby outputting an analog data voltage having a 4:4:4 format.Type: ApplicationFiled: October 29, 2022Publication date: June 29, 2023Applicant: LG DISPLAY CO., LTD.Inventors: Kyung Rok KIM, Min KIM, Hyuck Jun KIM
-
Patent number: 11676534Abstract: A light emitting display device includes a display panel configured to display an image, a driver configured to drive the display panel, and a compensation circuit configured to repeat a process of obtaining a sensing voltage from a sub-pixel included in the display panel, storing the sensing voltage, outputting the stored sensing voltage to the sub-pixel, and obtaining a sensing voltage from the sub-pixel to integrate the sensing voltage.Type: GrantFiled: December 3, 2021Date of Patent: June 13, 2023Assignee: LG DISPLAY CO., LTD.Inventors: Hyuck Jun Kim, Dong Kyun Woo, Tae Young Lee
-
Publication number: 20220384692Abstract: A light emitting device including at least one main light emitting unit including a light emitting diode chip and a wavelength converter, and configured to emit white light, in which the light emitting diode chip includes at least one of an ultraviolet chip, a violet chip, and a blue chip, and the light emitting device is configured to be adjustable to emit light corresponding to a spectral power distribution of morning sunlight, light corresponding to a spectral power distribution of afternoon sunlight, and light corresponding to a spectral power distribution of evening sunlight.Type: ApplicationFiled: August 8, 2022Publication date: December 1, 2022Inventors: Hyuck Jun Kim, Chung Hoon Lee, Y O Cho
-
Publication number: 20220351689Abstract: A light emitting display (LED) device can include a display panel configured to display an image; and a data driver including a panel driving circuit configured to drive the display panel and a panel sensing circuit configured to sense a condition of the display panel, in which the panel driving circuit includes a first data voltage output circuit to output a voltage to both of a first data line and a first reference line of the display panel to display black on a first sub-pixel included in the display panel.Type: ApplicationFiled: May 2, 2022Publication date: November 3, 2022Applicant: LG Display Co., Ltd.Inventors: Hyuck Jun KIM, Tae Young LEE, Ji Su CHOI
-
Patent number: 11417807Abstract: A light emitting device including at least one main light emitting unit including a light emitting diode chip and a wavelength converter, and configured to emit white light, in which the light emitting diode chip includes at least one of an ultraviolet chip, a violet chip, and a blue chip, and the light emitting device is configured to be adjustable to emit light corresponding to a spectral power distribution of morning sunlight, light corresponding to a spectral power distribution of afternoon sunlight, and light corresponding to a spectral power distribution of evening sunlight.Type: GrantFiled: April 13, 2020Date of Patent: August 16, 2022Assignee: Seoul Semiconductor Co., Ltd.Inventors: Hyuck Jun Kim, Chung Hoon Lee, Yo Cho
-
Publication number: 20220246808Abstract: A light emitting module unit includes a circuit board and a light emitting device. The light emitting device includes a plurality of light emitting elements electrically coupled through the circuit board, one or more electrodes arranged on a first surface of the plurality of light emitting elements, a surface barrier formed on a second surface of one or more of the plurality of light emitting elements, and an encapsulation portion disposed above a third surface of the plurality of light emitting elements. The surface barrier is disposed between the encapsulation portion and the second surface of one or more of the plurality of light emitting elements.Type: ApplicationFiled: April 20, 2022Publication date: August 4, 2022Applicant: SEOUL SEMICONDUCTOR CO., LTD.Inventors: Seung Ri CHOI, Hyuck Jun KIM, Se Min BANG, Do Choul WOO, Se Won TAE
-
Publication number: 20220208095Abstract: An electroluminescent display device according to an embodiment of the present disclosure includes a pixel including a driving element having a gate electrode connected to a data line and a source electrode connected to a readout line, a sensing circuit configured to sense a voltage of the readout line which changes according to a pixel current flowing through the driving element during sensing operation, and a boosting circuit connected between the data line and the readout line and configured to change a voltage of the data line according to the changed voltage in the readout line during the sensing operation.Type: ApplicationFiled: November 30, 2021Publication date: June 30, 2022Inventors: Min Kim, Hyuck Jun Kim, Ji Su Choi, Tae Young Lee
-
Publication number: 20220199017Abstract: A light emitting display device includes a display panel configured to display an image, a driver configured to drive the display panel, and a compensation circuit configured to repeat a process of obtaining a sensing voltage from a sub-pixel included in the display panel, storing the sensing voltage, outputting the stored sensing voltage to the sub-pixel, and obtaining a sensing voltage from the sub-pixel to integrate the sensing voltage.Type: ApplicationFiled: December 3, 2021Publication date: June 23, 2022Applicant: LG DISPLAY CO., LTD.Inventors: Hyuck Jun KIM, Dong Kyun WOO, Tae Young LEE
-
Publication number: 20220199684Abstract: A light emitting diode device including a substrate, a plurality of terminals disposed on the substrate, and a plurality of light sources disposed on the substrate, electrically connected to the plurality of terminals, and configured to emit light, in which each of the light sources includes a light emitting diode chip, and a wall surrounding side surfaces of the light emitting diode chip, at least one of the light sources includes a wavelength converter disposed on the light emitting diode chip, and at least two light sources share the wall.Type: ApplicationFiled: March 10, 2022Publication date: June 23, 2022Inventors: Seung Sik HONG, Hyuck Jun Kim
-
Patent number: 11335837Abstract: A light emitting diode package includes an upper housing and a lower housing. The upper housing includes a first light emitting diode (LED) chip arranged therein, a second LED chip arranged to be spaced apart from the first LED chip in a first direction, two light discharge structures, first electrodes formed on a lower surface of the first LED chip, and second electrodes formed on a lower surface of the second LED chip. The lower housing includes at least three grooves at a lower surface thereof. The lower housing further includes three or more pads. The first pair of via-holes are arranged to connect the first electrodes to one or more of the pads in a second direction perpendicular to the first direction. The second pair of via-holes are arranged to connect the second electrodes to one or more of the pads in the second direction.Type: GrantFiled: November 2, 2020Date of Patent: May 17, 2022Assignee: SEOUL SEMICONDUCTOR CO., LTD.Inventors: Seung Ri Choi, Hyuck Jun Kim, Se Min Bang, Do Choul Woo, Se Won Tae
-
Patent number: 11302744Abstract: A light emitting diode unit including a blue light emitting diode package disposed on a substrate and configured to emit blue light to the outside, a red light emitting diode package disposed on the substrate and configured to emit red light to the outside, and a green light emitting diode package disposed on the substrate and configured to emit green light to the outside, in which each of the blue light emitting diode package, the red light emitting diode package, and the green light emitting diode package includes a wall to prevent light from being emitted to the sides thereof.Type: GrantFiled: February 1, 2018Date of Patent: April 12, 2022Assignee: Seoul Semiconductor Co., Ltd.Inventors: Seung Sik Hong, Hyuck Jun Kim
-
Publication number: 20210288103Abstract: A light emitting diode unit including a blue light emitting diode package disposed on a substrate and configured to emit blue light to the outside, a red light emitting diode package disposed on the substrate and configured to emit red light to the outside, and a green light emitting diode package disposed on the substrate and configured to emit green light to the outside, in which each of the blue light emitting diode package, the red light emitting diode package, and the green light emitting diode package includes a wall to prevent light from being emitted to the sides thereof.Type: ApplicationFiled: February 1, 2018Publication date: September 16, 2021Inventors: Seung Sik HONG, Hyuck Jun KIM
-
Publication number: 20210050492Abstract: A light emitting diode package includes an upper housing and a lower housing. The upper housing includes a first light emitting diode (LED) chip arranged therein, a second LED chip arranged to be spaced apart from the first LED chip in a first direction, two light discharge structures, first electrodes formed on a lower surface of the first LED chip, and second electrodes formed on a lower surface of the second LED chip. The lower housing includes at least three grooves at a lower surface thereof. The lower housing further includes three or more pads. The first pair of via-holes are arranged to connect the first electrodes to one or more of the pads in a second direction perpendicular to the first direction. The second pair of via-holes are arranged to connect the second electrodes to one or more of the pads in the second direction.Type: ApplicationFiled: November 2, 2020Publication date: February 18, 2021Applicant: SEOUL SEMICONDUCTOR CO., LTD.Inventors: Seung Ri CHOI, Hyuck Jun KIM, Se Min BANG, Do Choul WOO, Se Won TAE
-
Patent number: 10825969Abstract: A light emitting diode package includes an upper housing and a lower housing. The upper housing includes a first light emitting diode (LED) chip arranged therein, a second LED chip arranged to be spaced apart from the first LED chip in a first direction, two light discharge structures, first electrodes formed on a lower surface of the first LED chip, and second electrodes formed on a lower surface of the second LED chip. The lower housing includes at least three grooves at a lower surface thereof. The lower housing further includes three or more pads. The first pair of via-holes are arranged to connect the first electrodes to one or more of the pads in a second direction perpendicular to the first direction. The second pair of via-holes are arranged to connect the second electrodes to one or more of the pads in the second direction.Type: GrantFiled: October 31, 2019Date of Patent: November 3, 2020Assignee: SEOUL SEMICONDUCTOR CO., LTD.Inventors: Seung Ri Choi, Hyuck Jun Kim, Se Min Bang, Do Choul Woo, Se Won Tae
-
Publication number: 20200243725Abstract: A light emitting device including at least one main light emitting unit including a light emitting diode chip and a wavelength converter, and configured to emit white light, in which the light emitting diode chip includes at least one of an ultraviolet chip, a violet chip, and a blue chip, and the light emitting device is configured to be adjustable to emit light corresponding to a spectral power distribution of morning sunlight, light corresponding to a spectral power distribution of afternoon sunlight, and light corresponding to a spectral power distribution of evening sunlight.Type: ApplicationFiled: April 13, 2020Publication date: July 30, 2020Inventors: Hyuck Jun Kim, Chung Hoon Lee, Yo Cho
-
Patent number: 10622525Abstract: A light emitting device is provided. The light emitting device in accordance with one exemplary embodiment comprises at least one main light emitting unit including a light emitting diode chip and a wavelength converter to emit white light, wherein the light emitting diode chip comprises an ultraviolet chip, a violet chip, or a blue chip, and is adjustable to emit light corresponding to a spectral power distribution of morning sunlight, light corresponding to a spectral power distribution of afternoon sunlight, and light corresponding to a spectral power distribution of evening sunlight.Type: GrantFiled: June 26, 2018Date of Patent: April 14, 2020Assignee: Seoul Semiconductor Co., Ltd.Inventors: Hyuck Jun Kim, Chung Hoon Lee, Y O Cho