Patents by Inventor Yong Min Ha
Yong Min Ha 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: 20240164094Abstract: A semiconductor memory device comprises, a substrate, a mold structure including gate electrodes and mold insulating films alternately stacked on the substrate, and a channel structure penetrating the mold structure, wherein the channel structure comprises a semiconductor pattern and a dielectric film on the semiconductor pattern, wherein the dielectric film comprises a first crystalline film in contact with the gate electrodes and a second crystalline film between the first crystalline film and the semiconductor pattern, wherein the first crystalline film includes a first matrix and a first impurity and the second crystalline film includes a second matrix and a second impurity, wherein each of the first matrix and the second matrix comprises at least one of HfO2, HfxZr1-xO2 (0.5<x<1) and Hf1-yZryO2 (0.5<y<1), and wherein each of the first impurity and the second impurity is 10 at % or less of the first crystalline film and second crystalline film, respectively.Type: ApplicationFiled: October 2, 2023Publication date: May 16, 2024Inventors: Ji-Sung KIM, Jung Min PARK, Bong Jin KUH, Yong Ho HA
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Publication number: 20240153831Abstract: An apparatus and method for measuring air currents on the surface of a substrate, which can accurately measure the magnitude and direction of air currents on the surface of a wafer with wafer-type air current measurement sensors, are provided. The apparatus includes: a first air current measurement module measuring a magnitude of air currents on a surface of a first substrate, which is processed in accordance with a semiconductor manufacturing process; a second air current measurement module measuring a movement direction of the air currents; and a power module supplying power to the first and second air current measurement modules, wherein the first air current measurement module, the second air current measurement module, and the power module are mounted on a second substrate, which has the same shape as the first substrate.Type: ApplicationFiled: October 19, 2023Publication date: May 9, 2024Inventors: Yong Jun SEO, Su Jin CHAE, Sang Hyun SON, Sang Min HA, Young Sik BANG, Jeong Mo HWANG, Dong Ok AHN
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Publication number: 20240040835Abstract: Embodiments disclose a display panel including a glass substrate including a display area and a light-transmitting area, a circuit portion disposed in the display area, and a light emitting portion disposed on the circuit portion, wherein the glass substrate includes a first opening disposed at a position corresponding to the light-transmitting area, and the display panel includes a first etch-stop layer disposed on the glass substrate and surrounding the first opening, and a display device including the same.Type: ApplicationFiled: July 21, 2023Publication date: February 1, 2024Applicant: LG DISPLAY CO., LTD.Inventors: Seung Han PAEK, Yong Min HA, Yong In PARK, Eui Hyun CHUNG
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Patent number: 9176339Abstract: A liquid crystal display device is discussed, which includes a first substrate and a second substrate, which face each other; a liquid crystal layer formed between the first substrate and the second substrate; and a column spacer formed between the first substrate and the second substrate, wherein the column spacer is formed within a light-shielding region on the first substrate or the second substrate, and a width of the light-shielding region in the periphery of the column spacer is greater than that of the light-shielding region where the column spacer is not formed. Since the width of the light-shielding region in the periphery of the column spacer is greater than that of the light-shielding region where the column spacer is not formed, even though an alignment film is damaged by the column spacer, light leakage can be prevented from occurring at the damaged portion.Type: GrantFiled: July 15, 2011Date of Patent: November 3, 2015Assignee: LG DISPLAY CO., LTD.Inventors: Sang Ho Kim, Yong Min Ha
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Patent number: 8848123Abstract: A liquid crystal display device includes a liquid crystal display module including an in-plane switching mode liquid crystal panel; a first cover covering a rear side of the liquid crystal display module; a second cover covering a front side of the liquid crystal display module and including a transparent conductive layer; and a discharging path connecting the transparent conductive layer to the in-plane switching mode liquid crystal panel, wherein the transparent conductive layer is attached to the liquid crystal display module.Type: GrantFiled: December 28, 2011Date of Patent: September 30, 2014Assignee: LG Display Co., Ltd.Inventors: Hyo-Jin Min, Yong-Min Ha, Han-Wook Hwang
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Patent number: 8729953Abstract: A method for reducing an off-current of a field effect transistor in which two electrodes of the field effect transistor have fixed voltage values and the rest electrode has an alternating voltage value by an AC voltage pulse generator to form an off-stress near source and drain junctions in turn.Type: GrantFiled: January 23, 2013Date of Patent: May 20, 2014Assignee: LG Display Co., Ltd.Inventors: Yong-Min Ha, Kee-Jong Kim, Byeong-Koo Kim
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Patent number: 8471842Abstract: A liquid crystal display (LCD) device having a first substrate and a second substrate with liquid crystal sealed therebetween, includes a plurality of gate lines and data lines crossing each other on the first substrate; a gate driving section for driving the gate lines; a source driving section for precharging the data lines for a first time and supplying video signals to the data lines; and a precharge circuit section for precharging the data lines for a second time.Type: GrantFiled: August 4, 2004Date of Patent: June 25, 2013Assignee: LG Display Co., Ltd.Inventor: Yong Min Ha
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Patent number: 8378734Abstract: A method for reducing an off-current of a field effect transistor in which two electrodes of the field effect transistor have fixed voltage values and the rest electrode has an alternating voltage value by an AC voltage pulse generator to form an off-stress near source and drain junctions in turn.Type: GrantFiled: March 26, 2003Date of Patent: February 19, 2013Assignee: LG Display Co., Ltd.Inventors: Yong-Min Ha, Kee-Jong Kim, Byeoung-Koo Kim
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Patent number: 8369234Abstract: A mobile terminal and a method for searching for a home network for the mobile terminal are provided. The method includes performing a full scan for searching for the home network at a certain time after roaming to a visited network, initializing a count of a number of times a timer has expired when the home network is not found, initiating the timer, updating the count when the timer expires, scanning frequencies in a frequency list when the count is less than a certain value, and scanning all frequencies around the mobile terminal when the count is equal to the certain value.Type: GrantFiled: May 14, 2009Date of Patent: February 5, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Yong Min Ha, Na Young Kang, In Shik Kang, Sang Jae Bae, Jung Min Yoon, Won Ki Ha
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Publication number: 20120218491Abstract: A liquid crystal display device includes a liquid crystal display module including an in-plane switching mode liquid crystal panel; a first cover covering a rear side of the liquid crystal display module; a second cover covering a front side of the liquid crystal display module and including a transparent conductive layer; and a discharging path connecting the transparent conductive layer to the in-plane switching mode liquid crystal panel, wherein the transparent conductive layer is attached to the liquid crystal display module.Type: ApplicationFiled: December 28, 2011Publication date: August 30, 2012Inventors: Hyo Jin Min, Yong Min Ha, Han-Wook Hwang
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Patent number: 8208111Abstract: An LCD device, and a fabrication method thereof, having a high aperture ratio and a high optical transmittance that enhances a fabrication yield and reduces the number of masks required in a fabrication process are disclosed. The LCD device includes a first substrate and a second substrate; a gate line arranged on the first substrate in one direction and having a transparent conductive layer formed of a transparent conductive material at a lower portion thereof; a data line; a thin film transistor; a first electrode formed on the first substrate and formed on the same layer as the transparent conductive layer; a second electrode having a plurality of slits and formed on a different layer from the first electrode, wherein the second electrode generates a horizontal field with a parabolic shape on the first substrate with the first electrode; and a liquid crystal layer.Type: GrantFiled: May 19, 2006Date of Patent: June 26, 2012Assignee: LG Display Co., Ltd.Inventors: Yong Min Ha, Han Wook Hwang
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Publication number: 20120019748Abstract: A liquid crystal display device is discussed, which includes a first substrate and a second substrate, which face each other; a liquid crystal layer formed between the first substrate and the second substrate; and a column spacer formed between the first substrate and the second substrate, wherein the column spacer is formed within a light-shielding region on the first substrate or the second substrate, and a width of the light-shielding region in the periphery of the column spacer is greater than that of the light-shielding region where the column spacer is not formed. Since the width of the light-shielding region in the periphery of the column spacer is greater than that of the light-shielding region where the column spacer is not formed, even though an alignment film is damaged by the column spacer, light leakage can be prevented from occurring at the damaged portion.Type: ApplicationFiled: July 15, 2011Publication date: January 26, 2012Inventors: Sang Ho KIM, Yong Min Ha
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Patent number: 8013946Abstract: An LCD is fabricated using a diffraction mask with transmissive, semi-transmissive, and opaque regions. The semi-transmissive region permits formation of a transmission, reflection, or pixel electrode, depending on the type of LCD being fabricated, using the same masking process as that to produce contact holes in an insulating film and a conductive layer. Photoresist exposed through the semi-transmissive region is partially removed during developing that completely removes photoresist in the transmissive or opaque region. The contact holes are formed in the region in which the photoresist is completely removed, the photoresist and underlying conductive layer in the semi-transmissive region are then removed, and the remaining photoresist is stripped.Type: GrantFiled: January 23, 2008Date of Patent: September 6, 2011Assignee: LG Display Co., Ltd.Inventors: Yong Min Ha, Hun Jeoung, Jeong Woo Jang
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Patent number: 7973466Abstract: An organic electroluminescent display device includes: a substrate having a pixel region and a non-pixel region surrounding the pixel region; a first electrode on the substrate in the pixel region; an organic luminescent layer on the first electrode; a second electrode on the organic luminescent layer; and a light-shielding means corresponding to the non-pixel region.Type: GrantFiled: March 23, 2005Date of Patent: July 5, 2011Assignee: LG Display Co., Ltd.Inventors: Du-Hwan Oh, Hoon-Ju Chung, Byeong-Koo Kim, Yong-Min Ha
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Publication number: 20100020725Abstract: A mobile terminal and a method for searching for a home network for the mobile terminal are provided. The method includes performing a full scan for searching for the home network at a certain time after roaming to a visited network, initializing a count of a number of times a timer has expired when the home network is not found, initiating the timer, updating the count when the timer expires, scanning frequencies in a frequency list when the count is less than a certain value, and scanning all frequencies around the mobile terminal when the count is equal to the certain value.Type: ApplicationFiled: May 14, 2009Publication date: January 28, 2010Applicant: Samsung Electronics Co. Ltd.Inventors: Yong Min HA, Na Young KANG, In Shik KANG, Sang Jae BAE, Jung Min YOON, Won Ki HA
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Patent number: 7646366Abstract: A driving circuit of an organic light emitting display includes: a first PMOS transistor turned on in response to a driving signal to transfer a data signal; an OLED (organic light emitting diode) where an amount of light emitted is controlled by a control current; a second PMOS transistor for supplying the control current to the OLED; a third PMOS transistor connected to a node to which the first and second PMOS transistors are connected; a first capacitor connected between the first PMOS transistor and the third PMOS transistor; and a second capacitor connected between the second PMOS transistor and the first PMOS transistor.Type: GrantFiled: June 27, 2005Date of Patent: January 12, 2010Assignee: LG. Display Co., Ltd.Inventors: Yong Min Ha, Jung Chul Kim, Jin Huh
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Patent number: 7545354Abstract: Disclosed are a driving circuit and driving method for an organic light emitting diode (OLED) device. The driving circuit for the OLED device comprises RGB pixels each including: a gate line arranged in a first direction and a data line and a power supply line arranged in a second direction crossing the first direction; a plurality of switching transistors connected to the region where the gate line and the data line intersect; a capacitor connected to the switching transistors and the power supply line; a driving transistor connected to the capacitor and the power supply line; an OLED connected to the driving thin film transistor; a variable voltage signal connected to one of the plurality of switching transistors; and a driving signal connected to at least one of the switching transistors, wherein the variable voltage signal is independently connected to the RGB pixels, and the transistors are thin film transistors.Type: GrantFiled: June 30, 2005Date of Patent: June 9, 2009Assignee: LG. Display Co., Ltd.Inventors: Yong-Min Ha, Jae-Ho Sim
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Patent number: 7505017Abstract: A liquid crystal display driving method that is adapted to enhance a quality of picture to be displayed on a liquid crystal panel and prevents a distortion of picture. The liquid crystal display driving method drives a liquid crystal display device including a plurality of demultiplexers connected between a data driving circuit and data lines on a liquid crystal panel, and classifying color data signals to be applied to the respective demultiplexers data driver by colors and allowing the color data signals having a same color to be continuously supplied to the data lines by the demultiplexers prior to a different color signal having a different color.Type: GrantFiled: March 6, 2000Date of Patent: March 17, 2009Assignee: LG Display Co., Ltd.Inventors: Ju Cheon Yeo, Yong Min Ha, Sang Young Yoon
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Patent number: 7405776Abstract: An LCD is fabricated using a diffraction mask with transmissive, semi-transmissive, and opaque regions. The semi-transmissive region permits formation of a transmission, reflection, or pixel electrode, depending on the type of LCD being fabricated, using the same masking process as that to produce contact holes in an insulating film and a conductive layer. Photoresist exposed through the semi-transmissive region is partially removed during developing that completely removes photoresist in the transmissive or opaque region. The contact holes are formed in the region in which the photoresist is completely removed, the photoresist and underlying conductive layer in the semi-transmissive region are then removed, and the remaining photoresist is stripped.Type: GrantFiled: December 13, 2004Date of Patent: July 29, 2008Assignee: LG. Display Co., LtdInventors: Yong Min Ha, Hun Jeoung, Jeong Woo Jang
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Publication number: 20080131818Abstract: An LCD is fabricated using a diffraction mask with transmissive, semi-transmissive, and opaque regions. The semi-transmissive region permits formation of a transmission, reflection, or pixel electrode, depending on the type of LCD being fabricated, using the same masking process as that to produce contact holes in an insulating film and a conductive layer. Photoresist exposed through the semi-transmissive region is partially removed during developing that completely removes photoresist in the transmissive or opaque region. The contact holes are formed in the region in which the photoresist is completely removed, the photoresist and underlying conductive layer in the semi-transmissive region are then removed, and the remaining photoresist is stripped.Type: ApplicationFiled: January 23, 2008Publication date: June 5, 2008Inventors: Yong Min Ha, Hun Jeoung, Jeong Woo Jang