Patents by Inventor Rang-Kyun Mok
Rang-Kyun Mok 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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Patent number: 9799255Abstract: A display device includes a signal receiver, a signal generator, and a signal corrector. The signal receiver receives an image signal. The signal generator generates a data signal for each of a first color pixel and a second color pixel based on the image signal. The signal corrector generates corrected data for the first color pixel based on the data signal for the second color pixel in a single driving mode. The first color pixel and the second color pixel emit light of different grayscale values of a same color. The first color pixel is driven and the second color pixel is not driven in the single driving mode.Type: GrantFiled: February 8, 2017Date of Patent: October 24, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Byeong Hee Won, Jong In Baek, Rang Kyun Mok, Won Sang Park
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Publication number: 20170199400Abstract: A display device may include a pixel and a light shutter. The pixel may include a first region and a second region. The light shutter may be disposed in the second region. The light shutter may include a first electrode, a heat generation layer disposed on the first electrode, and a phase change layer disposed on the heat generation layer. The phase change layer may include a phase change material of which optical property is changed depending on temperature.Type: ApplicationFiled: August 15, 2016Publication date: July 13, 2017Inventors: Rang-Kyun MOK, Yi-Joon AHN
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Publication number: 20170170430Abstract: In a method of manufacturing an optical sheet, a stacked structure may be formed by alternatively and repeatedly stacking at least one transparent layer and at least one light scattering layer. A first cut face may be formed by partially cutting the stacked structure. A second cut face may be formed by partially cutting the stacked structure. The second cut face may be parallel to the first cut face.Type: ApplicationFiled: March 1, 2017Publication date: June 15, 2017Inventors: Ki-Seo Kim, Rang-Kyun Mok, Jong-In Baek
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Publication number: 20170148368Abstract: A display device includes a signal receiver, a signal generator, and a signal corrector. The signal receiver receives an image signal. The signal generator generates a data signal for each of a first color pixel and a second color pixel based on the image signal. The signal corrector generates corrected data for the first color pixel based on the data signal for the second color pixel in a single driving mode. The first color pixel and the second color pixel emit light of different grayscale values of a same color. The first color pixel is driven and the second color pixel is not driven in the single driving mode.Type: ApplicationFiled: February 8, 2017Publication date: May 25, 2017Inventors: Byeong Hee WON, Jong In BAEK, Rang Kyun MOK, Won Sang PARK
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Patent number: 9627651Abstract: In a method of manufacturing an optical sheet, a stacked structure may be formed by alternatively and repeatedly stacking at least one transparent layer and at least one light scattering layer. A first cut face may be formed by partially cutting the stacked structure. A second cut face may be formed by partially cutting the stacked structure. The second cut face may be parallel to the first cut face.Type: GrantFiled: February 13, 2013Date of Patent: April 18, 2017Assignee: Samsung Display Co., Ltd.Inventors: Ki-Seo Kim, Rang-Kyun Mok, Jong-In Baek
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Patent number: 9583044Abstract: An organic light emitting display device includes a display panel including red sub-pixels, green sub-pixels, first blue sub-pixels, and second blue sub-pixels. A data drive unit receives an image signal and outputs a plurality of data output signals. A demultiplexer distributes the data signals to the red sub-pixels, the green sub-pixels and either the first blue sub-pixels or both the first and second blue sub-pixels in response a drive selection signal. A control unit processes raw image data and provides an image signal to the data drive unit, and detects image data belonging to a first color gamut and a second color gamut from the image data, determines a first blue drive area belonging to the first color gamut and a mixed drive area belonging to the second color gamut, and provides the appropriate selection signal to the demultiplexer to increase efficiency and extend useful life of the display.Type: GrantFiled: April 21, 2015Date of Patent: February 28, 2017Assignee: Samsung Display Co., Ltd.Inventors: Il Nam Kim, Rang Kyun Mok, Won Sang Park, Jong In Baek
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Patent number: 9569998Abstract: A display device includes a signal receiver, a signal generator, and a signal corrector. The signal receiver receives an image signal. The signal generator generates a data signal for each of a first color pixel and a second color pixel based on the image signal. The signal corrector generates corrected data for the first color pixel based on the data signal for the second color pixel in a single driving mode. The first color pixel and the second color pixel emit light of different grayscale values of a same color. The first color pixel is driven and the second color pixel is not driven in the single driving mode.Type: GrantFiled: March 11, 2015Date of Patent: February 14, 2017Assignee: Samsung Display Co., Ltd.Inventors: Byeong Hee Won, Jong In Baek, Rang Kyun Mok, Won Sang Park
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Patent number: 9412974Abstract: A display device including a light emitting transistor, and a photonic crystal on the light emitting transistor.Type: GrantFiled: June 21, 2013Date of Patent: August 9, 2016Assignee: Samsung Display Co., Ltd.Inventors: Rang-Kyun Mok, Ki-Seo Kim
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Patent number: 9398368Abstract: A display device is disclosed. In one aspect, the device includes a display module, a first cover configured to support the display module and a second cover placed opposed to the first cover and selectively detachably coupled to the first cover. The device also includes a volume changer configured to connect the first and second covers and define an inner space, having a volume, with the first and second covers, wherein the volume changer has an adjustable length extending from the second cover to the first cover, and wherein the volume changer is configured to change the volume of the inner space when the length is adjusted. The device further includes at least one exciter mounted in the inner space and configured to generate sound.Type: GrantFiled: December 11, 2014Date of Patent: July 19, 2016Assignee: Samsung Display Co., Ltd.Inventors: Rang-Kyun Mok, Yi-Joon Ahn, Jong-In Baek, Tae-Hee Lee
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Publication number: 20160189671Abstract: An organic light emitting display device includes a display panel including red sub-pixels, green sub-pixels, first blue sub-pixels, and second blue sub-pixels. A data drive unit receives an image signal and outputs a plurality of data output signals. A demultiplexer distributes the data signals to the red sub-pixels, the green sub-pixels and either the first blue sub-pixels or both the first and second blue sub-pixels in response a drive selection signal. A control unit processes raw image data and provides an image signal to the data drive unit, and detects image data belonging to a first color gamut and a second color gamut from the image data, determines a first blue drive area belonging to the first color gamut and a mixed drive area belonging to the second color gamut, and provides the appropriate selection signal to the demultiplexer to increase efficiency and extend useful life of the display.Type: ApplicationFiled: April 21, 2015Publication date: June 30, 2016Inventors: Il Nam KIM, Rang Kyun MOK, Won Sang PARK, Jong ln BAEK
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Publication number: 20160189670Abstract: An organic light emitting display device, including a display panel including red, green, first blue, and second blue sub-pixels, a data drive unit configured to receive an image signal and output data output signals, a de-multiplexer circuit configured to distribute data output signals to the data lines connected to the red, green, and the first blue sub-pixels, in response to receiving a first blue drive selection signal, or to the data lines connected to the red, green, first blue, and the second blue sub-pixels, in response to receiving a mixed drive selection signal, and a control unit configured to process a raw image data into the image signal, provide the image signal to the data drive unit, and provide the first blue drive selection signal or the mixed drive selection signal to the de-multiplexer circuit in a frame unit of the raw image data.Type: ApplicationFiled: April 21, 2015Publication date: June 30, 2016Inventors: Il Nam KIM, Rang Kyun MOK, Jong ln BAEK, Yi Joon AHN
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Publication number: 20160133177Abstract: A display device includes a signal receiver, a signal generator, and a signal corrector. The signal receiver receives an image signal. The signal generator generates a data signal for each of a first color pixel and a second color pixel based on the image signal. The signal corrector generates corrected data for the first color pixel based on the data signal for the second color pixel in a single driving mode. The first color pixel and the second color pixel emit light of different grayscale values of a same color. The first color pixel is driven and the second color pixel is not driven in the single driving mode.Type: ApplicationFiled: March 11, 2015Publication date: May 12, 2016Inventors: Byeong Hee WON, Jong In BAEK, Rang Kyun MOK, Won Sang PARK
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Publication number: 20160041614Abstract: According to an exemplary embodiment, a blink device includes: a blink detector configured to detect a blink of a user from an image photographed by a camera; a period measurer configured to measure a time period between consecutive blinks of the user and determine whether the measured time period exceeds a reference time period; a real-time image capture unit configured to capture a real-time image of the user from the photographed image; and an image processor configured to perform the following if the measured time period exceeds the reference time period: generate from the real-time image a blink image for inducing the user to blink, delay the display of the blink image by a delay period from when the user's blink is detected, and display the blink image after the delaying.Type: ApplicationFiled: December 16, 2014Publication date: February 11, 2016Inventors: Rang Kyun MOK, Jong In BAEK, Yi Joon AHN
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Publication number: 20150373451Abstract: A display device is disclosed. In one aspect, the device includes a display module, a first cover configured to support the display module and a second cover placed opposed to the first cover and selectively detachably coupled to the first cover. The device also includes a volume changer configured to connect the first and second covers and define an inner space, having a volume, with the first and second covers, wherein the volume changer has an adjustable length extending from the second cover to the first cover, and wherein the volume changer is configured to change the volume of the inner space when the length is adjusted. The device further includes at least one exciter mounted in the inner space and configured to generate sound.Type: ApplicationFiled: December 11, 2014Publication date: December 24, 2015Inventors: Rang-Kyun Mok, Yi-Joon Ahn, Jong-In Baek, Tae-Hee Lee
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Publication number: 20150294485Abstract: A method of compensating an image based on light adaptation, a display device employing the same and an electronic device are disclosed. In one aspect, the method includes determining a degree of light adaptation based on an amount of long-wavelength light in an illumination environment where the image is displayed, converting image data in International Commission on Illumination (CIE) red-green-blue (RGB) color space to image data in CIE long-medium-short (LMS) color space for implementing the image via CIE-XYZ color space, applying the degree of light adaptation to the converted image data in the CIE-LMS color space so as to generate compensated image data, and converting the compensated image data in the CIE-LMS color space to image data to be displayed in the CIE-RGB color space via the CIE-XYZ color space.Type: ApplicationFiled: November 6, 2014Publication date: October 15, 2015Inventors: Rang-Kyun Mok, Hak-Sun Kim, Won-Sang Park, Jong-In Baek
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Patent number: 9054339Abstract: An organic light emitting transistor includes: a first electrode positioned on a substrate; a gate electrode positioned on the first electrode and including an opening formed at a center region; a first auxiliary layer positioned within the opening; an organic emission layer positioned on the first auxiliary layer and the gate electrode; a second auxiliary layer positioned on the organic emission layer; and a second electrode positioned on the second auxiliary layer.Type: GrantFiled: September 30, 2013Date of Patent: June 9, 2015Assignee: Samsung Display Co., Ltd.Inventors: Rang-Kyun Mok, Dae-Sung Choi, Ki-Seo Kim
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Publication number: 20150145895Abstract: A display apparatus includes a display panel, an illumination part, an illumination controller, a luminance compensation part and a data driver. The display panel includes data lines, and is configured to display an image in a first direction. The illumination part is configured to emit illumination light having a first color in a second direction opposite to the first direction. The illumination controller is configured to control the illumination part and output an illumination signal corresponding to an intensity of the illumination light. The luminance compensation part is configured to compensate luminance of an input image data based on the illumination signal to output a data signal, and the data driver is configured to generate a data voltage based on the data signal, and output the data voltage to the data lines.Type: ApplicationFiled: May 7, 2014Publication date: May 28, 2015Applicant: Samsung Display Co., LTD.Inventors: Byeong-Hee WON, Rang-Kyun MOK, Jong-In BAEK
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Publication number: 20140231758Abstract: A display device including a light emitting transistor, and a photonic crystal on the light emitting transistor.Type: ApplicationFiled: June 21, 2013Publication date: August 21, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Rang-Kyun Mok, Ki-Seo Kim
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Publication number: 20140124759Abstract: An organic light emitting transistor includes: a first electrode positioned on a substrate; a gate electrode positioned on the first electrode and including an opening formed at a center region; a first auxiliary layer positioned within the opening; an organic emission layer positioned on the first auxiliary layer and the gate electrode; a second auxiliary layer positioned on the organic emission layer; and a second electrode positioned on the second auxiliary layer.Type: ApplicationFiled: September 30, 2013Publication date: May 8, 2014Applicant: Samsung Display Co., Ltd.Inventors: Rang-Kyun Mok, Dae-Sung Choi, Ki-Seo Kim
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Publication number: 20130299785Abstract: In a method of manufacturing an optical sheet, a stacked structure may be formed by alternatively and repeatedly stacking at least one transparent layer and at least one light scattering layer. A first cut face may be formed by partially cutting the stacked structure. A second cut face may be formed by partially cutting the stacked structure. The second cut face may be parallel to the first cut face.Type: ApplicationFiled: February 13, 2013Publication date: November 14, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Ki-Seo Kim, Rang-Kyun Mok, Jong-In Baek