Patents by Inventor Jun-Ho Sung
Jun-Ho Sung 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: 20180241008Abstract: Disclosed are a display panel and a display device, the display panel comprising: a substrate; a first electrode layer and a second electrode layer configured to face with each other in the substrate; a light emitting layer configured to be interposed between the first electrode layer and the second electrode layer, and emit light based on voltage applied to the first electrode layer and the second electrode layer; a polarization layer comprising a linear lattice configured to transmit a first polarized component of the light emitted from the light emitting layer, and reflect a second polarized component of the emitted light; a phase shift layer configured to shift a phase of the light of the second polarized component reflected from the polarization layer, and output the light of the first polarized component by shifting a phase of the light reflected from at least one of the first electrode layer and the second electrode layer; an absorption layer configured to be provided at a side where the light of the fType: ApplicationFiled: July 15, 2016Publication date: August 23, 2018Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young Mo KANG, Jun-ho SUNG, Joo-won LEE
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Publication number: 20160062183Abstract: A display apparatus is provided. The display apparatus includes: a light source; and a display panel including: an upper substrate and a lower substrate; a liquid crystal layer interposed in between the upper substrate and the lower substrate; a lower polarization layer interposed in between the lower substrate and the liquid crystal layer; a upper polarization layer interposed in between the liquid crystal layer and the upper substrate; and a color conversion layer arranged in either a first position between the upper substrate and the upper polarization layer or a second position between the lower substrate and the lower polarization layer, and configured to receive light from the light source and emit light corresponding to a plurality of colors by converting a part of the light corresponding to a first color into light corresponding to respective colors other than the first color among the plurality of colors.Type: ApplicationFiled: August 17, 2015Publication date: March 3, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jun-ho SUNG, Il-yong JUNG, Seong-eun CHUNG
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Patent number: 9253476Abstract: A display apparatus is provided. The display apparatus includes an image receiver which receives an image, an image processor which divides the received image into a left-eye image and a right-eye image and processes the same, an image output device which alternatingly outputs the left-eye image and the right-eye image, and a controller which calculates a difference in a pixel value between the left-eye and right-eye images based on units relating to the pixels that constitute the left-eye and right-eye images, detects a crosstalk generating area by using the calculated pixel value difference and a preset response speed of a display panel, and controls so that the detected crosstalk generating area is displayed distinguishably from at least one other area.Type: GrantFiled: June 12, 2013Date of Patent: February 2, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Min-cheol Hwang, Jee-hoon Ka, Jae-sung Park, Jun-ho Sung, Bong-geun Lee, Sang-jun Lee, Bong-hwan Cho
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Patent number: 9197883Abstract: A display apparatus is provided, which may includes an image receiver which receives an image, an image processor which separates the received image into a left-eye image and a right-eye image and process the left-eye and right-eye images, an image output unit including a display panel which displays the left-eye and right-eye images alternately, a storage which stores a response speed of the display panel, and a controller which calculates a pixel value difference between the left-eye and right-eye images based on a unit of pixels that constitute the left-eye and right-eye images, detects a crosstalk generating area of the left-eye and right-eye images using the calculated pixel value difference and the response speed of the display panel stored in the storage, and controls so that the detected crosstalk generating area is indicated distinguishably from other areas of the left-eye and right-eye images.Type: GrantFiled: December 31, 2012Date of Patent: November 24, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae-sung Park, Min-cheol Hwang, Jun-ho Sung, Sang-un Yun, Bong-hwan Cho
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Patent number: 9159136Abstract: A temporal smoothing apparatus and method for synthesizing an intermediate image, the apparatus including a disparity vector estimator which receives a previous image and a present images and generates a previous disparity vector and a present disparity vector for every image block of a predetermined size, and a temporal smoothing unit which receives the previous and present images and the previous and present disparity vectors and generates a temporally-smoothed disparity vector. The temporal smoothing unit generates a distinct temporally-smoothed disparity vector for each frame on the basis of a mean absolute difference (MAD) between the previous image and the present image, so that a flickering phenomenon of an intermediate image can be removed without deterioration of image quality by adaptively performing a temporal smoothing process in accordance with types of an image.Type: GrantFiled: October 15, 2004Date of Patent: October 13, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventor: Jun-ho Sung
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Publication number: 20150262534Abstract: A display apparatus and a brightness adjusting method thereof are provided. The display apparatus includes a panel unit which displays an image signal, a backlight unit which provides a light to the panel unit to visualize the image signal, a luminance value regulator which calculates representative values to be applied for adjusting a brightness of a plurality of partial areas of the backlight unit corresponding to the input image signal, a contrast enhancer which compensates for a brightness of the image signal compromised by the representative value through a contrast enhancement, and a pixel value compensator which compensates for pixel values of the image signal compensated using the contrast enhancement. Accordingly, the contrast ratio of the entire image can be enhanced by compensating for the brightness loss of the image signal caused from the brightness adjustment of the luminous element, and the image quality can be more finely improved.Type: ApplicationFiled: May 29, 2015Publication date: September 17, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Tae-hyeun HA, Han Feng CHEN, Jun-ho SUNG, Yung-jun PARK
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Patent number: 9064459Abstract: A display apparatus and a brightness adjusting method thereof are provided. The display apparatus includes a panel unit which displays an image signal, a backlight unit which provides a light to the panel unit to visualize the image signal, a luminance value regulator which calculates representative values to be applied for adjusting a brightness of a plurality of partial areas of the backlight unit corresponding to the input image signal, a contrast enhancer which compensates for a brightness of the image signal compromised by the representative value through a contrast enhancement, and a pixel value compensator which compensates for pixel values of the image signal compensated using the contrast enhancement. Accordingly, the contrast ratio of the entire image can be enhanced by compensating for the brightness loss of the image signal caused from the brightness adjustment of the luminous element, and the image quality can be more finely improved.Type: GrantFiled: March 25, 2008Date of Patent: June 23, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Tae-hyeun Ha, Han Feng Chen, Jun-ho Sung, Yung-jun Park
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Patent number: 8743092Abstract: A display apparatus includes a display panel which include a plurality of areas; a communication unit which receive information about brightness sensed by a pointing device; a backlight unit which includes a plurality of light sources; and a controller which controls the backlight unit to change the brightness of the plural areas by a predetermined unit, and determines a pointing position of the pointing device on the basis of relative variation in the information about the brightness. With this, it is possible to detect a pointing position of a pointing device in a display apparatus having a hold-type display panel.Type: GrantFiled: January 21, 2010Date of Patent: June 3, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Hyung-rae Kim, Jae-sung Park, Jung-jin Park, Jun-ho Sung, Tae-hyeun Ha, Rustam Abdulaev
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Patent number: 8674925Abstract: A display apparatus and a backlight scanning method thereof are provided. The display apparatus having a backlight illuminator includes a parameter generator for generating parameters indicative of motion features of a video signal; and a backlight driver for driving the backlight illuminator by generating a scanning signal which has a plurality of scanning pulses during a frame period and is adjusted according to the parameters generated at the parameter generator. The display apparatus and the backlight scanning method thereof drive the backlight by generating the scanning signal which has the plurality of the scanning pulses during the frame period and is adjusted according to the motion features of the video signal to be displayed, to thereby effectively mitigate the motion blur and the flicker.Type: GrantFiled: July 9, 2007Date of Patent: March 18, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Jun-ho Jung, Hyung-rae Kim, Yung-jun Park, Jun-ho Sung
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Patent number: 8675741Abstract: A method of improving image quality and the display apparatus thereof are provided. The method includes generating a plurality of sub-frame images using a frame image depending on whether the frame image is a moving image or a still image and displaying the plurality of sub-frame images sequentially for a frame time interval of the frame image. By generating the plurality of sub-frame image which have different pixel values each other and displaying the plurality of sub-frame image sequentially, the sticking phenomenon may be prevented and a life time of the display apparatus may be extended.Type: GrantFiled: September 23, 2008Date of Patent: March 18, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Tae-hyeun Ha, Hyung-rae Kim, Han feng Chen, Jun-ho Sung
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Patent number: 8624965Abstract: A 3D glasses driving method for driving 3D shutter glasses and 3D glasses and a 3D display apparatus using the same, the 3D glasses driving method including: receiving a sync signal from an external device; determining a duty of a driving signal which opens a left eye glass and a right eye glass of the 3D shutter glasses; and opening and closing the left eye glass and the right eye glass of the 3D shutter glasses alternately based on the sync signal and the determined duty. Accordingly, the user is able to watch the 3D image in a descried brightness without experiencing a crosstalk phenomenon.Type: GrantFiled: October 12, 2010Date of Patent: January 7, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Jung-jin Park, Jun-ho Sung, Ki-bum Seong, Nak-won Choi
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Publication number: 20140002622Abstract: A display apparatus is provided. The display apparatus includes an image receiver which receives an image, an image processor which divides the received image into a left-eye image and a right-eye image and processes the same, an image output device which alternatingly outputs the left-eye image and the right-eye image, and a controller which calculates a difference in a pixel value between the left-eye and right-eye images based on units relating to the pixels that constitute the left-eye and right-eye images, detects a crosstalk generating area by using the calculated pixel value difference and a preset response speed of a display panel, and controls so that the detected crosstalk generating area is displayed distinguishably from at least one other area.Type: ApplicationFiled: June 12, 2013Publication date: January 2, 2014Inventors: Min-cheol HWANG, Jee-hoon KA, Jae-sung PARK, Jun-ho SUNG, Bong-geun LEE, Sang-jun LEE, Bong-hwan CHO
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Patent number: 8618726Abstract: A field emission panel includes: a first glass plate which comprises a phosphor layer, a second glass plate which is disposed in parallel to the first glass plate and comprises a plurality of electron emission elements; and a sealing member which is interposed between the first and the second glass plates to seal a space between the first and the second glass plates, wherein a part of the sealing member is hidden inside the first and the second glass plates and the other part of the sealing member is exposed to outsides of the first and the second glass plates.Type: GrantFiled: August 24, 2011Date of Patent: December 31, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun-seung Cho, Jun-ho Sung, Sang-hyuck Ahn
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Patent number: 8619102Abstract: A display apparatus and a method for adjusting brightness thereof are provided. The display apparatus includes a panel unit which displays a video signal, a light emitting unit which provides the panel unit with a ray of light and causes the video signal to be visualized, a light emission control unit which controls the light emitting unit so that the ray of light is provided to each of local areas of the panel unit, and a panel control unit which compensates pixels of the video signal in each of local areas, to remove an artifact which is generated due to the ray of light provided to local areas of the panel unit. Because brightness of a screen is adjusted in each of local areas, contrast ratio is enhanced, and improved image quality is provided.Type: GrantFiled: January 18, 2008Date of Patent: December 31, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Han Feng Chen, Yung-jun Park, Jun-ho Sung, Hoon Choi, Jun-ho Jung
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Patent number: 8542197Abstract: A display apparatus includes a display panel having a light emitting device, a sensor which senses an electric current flowing in the light emitting device, and a controller which determines that an external stimulus occurs to the display panel if a change of a sensed current exceeds a preset current change rate, and performs a predetermined operation on the basis of a determination result.Type: GrantFiled: September 26, 2008Date of Patent: September 24, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Tae-hyeun Ha, Rustam Abdulaev, Jun-ho Sung, Hyung-rae Kim
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Patent number: 8482706Abstract: A liquid crystal display includes: a pair of liquid crystal shutter glasses; a liquid crystal panel which alternately displays a left image and a right image formed in a predetermined scanning direction according to a predetermined scanning cycle; a glasses controller which outputs a control signal to open and close a left glass and a right glass of the liquid crystal shutter glasses synchronizing with the scanning cycle; a light source unit which supplies light to the liquid crystal panel; and a light source driver which supplies driving power to the light source unit to emit light to the liquid crystal panel in the scanning direction posterior to the left and right images.Type: GrantFiled: August 31, 2012Date of Patent: July 9, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Jun-ho Jung, Yung-jun Park, Jun-ho Sung, Tae-hyeun Ha, Jung-jin Park
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Publication number: 20130127816Abstract: A display apparatus is provided. The display apparatus includes an image input unit which receives a 3D image, an image processing unit which divides the 3D image into a left-eye image and a right-eye image, an image output unit which includes a polarization panel that is switchable between polarization directions, and which provides a different polarization direction to the left-eye image and the right-eye image displayed alternately by switching a polarization direction of the polarization panel, a voltage driving unit which applies a driving voltage to the polarization panel, and a controller which divides the polarization panel in time or in space and drives the polarization panel with a voltage corresponding to each of Red, Green, and Blue (RGB) pixels, respectively, which form at least one of the left-eye image and the right-eye image.Type: ApplicationFiled: August 22, 2012Publication date: May 23, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Min-Cheol HWANG, Hyung-rae KIM, Kwan-sik MIN, Jae-sung PARK, Jun-ho SUNG, Sang-un YUN, Bong-hwan CHO
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Publication number: 20130088506Abstract: A display apparatus and a driving method thereof are provided. The display apparatus includes an image analysis unit which analyzes a correlation of an image by comparing a current image and a previous image input prior to the current image, and determines a level of correction of the current image according to the analysis of the correlation, and an image conversion unit which converts pixel values of pixels of a unit frame having a specific color in the current image based on the level of correction, and outputs the pixel values.Type: ApplicationFiled: September 13, 2012Publication date: April 11, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-un YUN, Jae-sung PARK, Min-cheol HWANG, Jun-ho SUNG
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Publication number: 20130083014Abstract: A display apparatus and an image processing method are disclosed. The display apparatus including: a signal receiver which receives an image signal including left and right eye images; a signal processor which processes the image signal into a displayable form; a display panel which displays the processed left and right eye image; a polarizer which is provided in a front surface of the display panel, and transmits the left eye image as a first polarized light and transmits the right eye image as a second polarized light; and a controller which controls the signal processor to compensate for color distortion of the first and second polarized lights which pass through the polarizer. With this configuration, the quality of an image that is seen by a user can be improved and color distortion issues can be resolved in a 3D display apparatus.Type: ApplicationFiled: August 17, 2012Publication date: April 4, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae-sung PARK, Hyung-rae KIM, Kwan-sik MIN, Jun-ho SUNG, Sang-un YUN, Min-cheol HWANG
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Publication number: 20130076737Abstract: An apparatus and method for displaying a three-dimensional (3D) image are provided. The apparatus includes an image correction unit which separates R, G, and B unit frame images from an input unit frame image and converts lines of each of the R, G, and B unit frame images into lines of black pixels; a display panel which sequentially outputs the R, G, and B unit frame images each having the lines of black pixels; and a polarizing element which outputs the R, G, and B unit frame images output by the display panel as left- and right-eye images for a user by polarizing on one side of each of the lines of black pixels in each of the R, G, and B unit frame images differently from the other side of each of the lines of black pixels in each of the R, G, and B unit frame images.Type: ApplicationFiled: September 13, 2012Publication date: March 28, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae-sung PARK, Hyung-rae KIM, Jun-ho SUNG, Sang-un YUN, Min-cheol HWANG