Patents by Inventor Hee Jin Im
Hee Jin Im 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: 10382745Abstract: A stereoscopic image display device including a display panel including a plurality of sub-pixels arranged in a matrix defined by a horizontal direction and a vertical direction, the display panel having a changeable display direction; and a parallax unit on the display panel and including a plurality of optical elements having a tilt angle of 30° to 60° relative to the vertical direction and a pitch corresponding to a multiple of a pitch of the sub-pixels. Among the sub-pixels located to correspond to each of the optical elements, at least two sub-pixels, adjacently arranged, display the same view image.Type: GrantFiled: February 15, 2017Date of Patent: August 13, 2019Assignee: LG Display Co., Ltd.Inventor: Hee-Jin Im
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Publication number: 20190208185Abstract: A stereoscopic display device having a barrier panel is provided. The barrier panel may include channel electrodes across an active area. Each of the channel electrodes may include an end portion connected to corresponding link line. Each of the channel electrodes may be connected to the link line same as (n+1)th channel electrode from the channel electrode. The barrier panel may further include connecting lines to connect between opposite end portions of the channel electrode which are connected to the same link line. Thus, in the stereoscopic display device, the number of the wires extending along an edge of the active area may be reduced.Type: ApplicationFiled: December 17, 2018Publication date: July 4, 2019Applicant: LG DISPLAY CO., LTD.Inventors: You-Yong JIN, Dong-Yeon KIM, Wook JEON, Hee-Jin IM, Yong-Ku LEE, Ju-Hoon JANG, Woon-Chan MOON
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Publication number: 20190129194Abstract: A stereoscopic display device having a barrier panel is provided. The barrier panel may include lower channels, a channel insulating layer and upper channels, which are sequentially stacked on a barrier panel. The lower channels may be disposed between the upper channels. Each of the lower channels may include a first sub-channel, a second sub-channel and a lower insulating layer. The lower insulating layer may be spaced away from the first sub-channel. The second sub-channel may be connected to an end region of the first sub-channel facing the upper channels. The second sub-channel may be extended along a side wall of the lower insulating layer facing the first sub-channel. Thus, in the stereoscopic display device according to the embodiment of the present disclosure, a distance between the lower channels may be minimized.Type: ApplicationFiled: October 17, 2018Publication date: May 2, 2019Inventors: You-Yong JIN, Wook JEON, Hee-Jin IM, Yong-Ku LEE, Ju-Hoon JANG, Dong-Yeon KIM, Woon-Chan MOON
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Publication number: 20190072774Abstract: A stereoscopic display device having a barrier panel is provided. The barrier panel can include channel electrodes to form transmitting regions and blocking regions in an active area, and link lines to provide a signal to the channel electrodes. The stereoscopic display device can include a display driver driving a display panel; a barrier panel on the display panel, the barrier panel including channel electrodes across an active area, and link lines disposed outside the active area; and a barrier driver controlling the channel electrodes through the link lines, wherein the number of the link lines in which each channel electrode crosses, is constant. Thus, in the stereoscopic display device, a dark spot due to a load deviation of the channel electrodes can be prevented.Type: ApplicationFiled: September 6, 2018Publication date: March 7, 2019Applicant: LG DISPLAY CO., LTD.Inventors: You-Yong JIN, Wook JEON, Hee-Jin IM, Yong-Ku LEE, Ju-Hoon JANG, Dong-Yeon KIM, Woon-Chan MOON
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Publication number: 20180299685Abstract: A stereoscopic display device including a barrier panel is provided. When a viewing distance of a viewer is out of the proper range, the stereoscopic display device may shift the blocking regions and the transmitting regions of the barrier panel. The stereoscopic display device may maintain the ratio of channels located within a barrier blocking region and a barrier transmitting region of the barrier panel by using the channels disposed within trigger regions of the barrier panel. Thus, the stereoscopic display device may provide a stereoscopic image of good quality to the viewer located at a region being out of the proper range.Type: ApplicationFiled: April 17, 2018Publication date: October 18, 2018Inventors: You-Yong JIN, Hoon KANG, Byung-Joo LEE, Bu-Yeol LEE, Wook JEON, Hee-Jin IM, Yong-Ku LEE, Ju-Hoon JANG, Dong-Yeon KIM, Woon-Chan MOON
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Publication number: 20180004019Abstract: A liquid crystal barrier is configured to determine the viewing position of a viewer and selectively adjust based on the viewing position of the viewer. The liquid crystal barrier includes a barrier panel and a driving voltage supply unit. The barrier panel includes first electrodes, second electrodes, and liquid crystal layer. Opposite ends of the first electrodes are connected between 2n first channel lines, which form n channels, on a lower substrate. Opposite ends of the second electrodes are connected between 2n second channel lines, which form n channels, on an upper substrate. The liquid crystal layer is filled between the upper and lower substrates. The driving voltage supply unit is configured to supply at least one of a driving voltage and a common voltage to at least one of the first electrodes and the second electrodes.Type: ApplicationFiled: June 30, 2017Publication date: January 4, 2018Applicant: LG Display Co., Ltd.Inventors: Hee-Jin Im, Seung-Man Ryu
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Publication number: 20170237972Abstract: A stereoscopic image display device including a display panel including a plurality of sub-pixels arranged in a matrix defined by a horizontal direction and a vertical direction, the display panel having a changeable display direction; and a parallax unit on the display panel and including a plurality of optical elements having a tilt angle of 30° to 60° relative to the vertical direction and a pitch corresponding to a multiple of a pitch of the sub-pixels. Among the sub-pixels located to correspond to each of the optical elements, at least two sub-pixels, adjacently arranged, display the same view image.Type: ApplicationFiled: February 15, 2017Publication date: August 17, 2017Applicant: LG Display Co., Ltd.Inventor: Hee-Jin Im
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Patent number: 9715121Abstract: The present invention is for a switchable 3-dimensional conversion device having a spacer stably formed at a predetermined height by imprinting, a manufacturing method thereof and a stereoscopic image display device using the same, the method includes: providing a first electrode on an inner surface of a first substrate; applying a resin material to the first electrode to a predetermined thickness; placing a mold structure which has a concave part formed with a predetermined depth thereon, on the resin material; stamping the resin material using the mold structure, in order to form a spacer pattern; dry etching the spacer pattern to form a spacer; forming a plurality of second electrodes, which are spaced from one another and have longitudinal axes in one direction, respectively, on a second substrate; and arranging the first and second substrates opposite to each other, bonding the same, and forming a liquid crystal layer between the first and second substrates.Type: GrantFiled: July 1, 2011Date of Patent: July 25, 2017Assignee: LG Display Co., Ltd.Inventors: Yun-Ho Kook, Soon-Sung Yoo, Chul-Ho Kim, Hee-Jin Im
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Publication number: 20170163975Abstract: Disclosed is a stereoscopic image display device which separates views from each other to reduce crosstalk and minimizes reduction in brightness due to decrease of an opening area of sub-pixels. The stereoscopic image display device includes a display panel including first and second sub-pixels arranged in parallel in the horizontal direction in each of regions formed by intersecting a plurality of gate lines and a plurality of data lines, openings for opening a part of each of the first and second sub-pixels in a light-shielding pattern configured to shield regions of the first and second sub-pixels other than the openings, and a parallax unit located on the display panel and including a plurality of lenses.Type: ApplicationFiled: November 29, 2016Publication date: June 8, 2017Inventors: You-Yong JIN, Byung-Joo LEE, Hee-Jin IM, Tae-Young HEO, Jin-Hyuk JANG, Won-Sik LEE
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Patent number: 8964135Abstract: Disclosed is stereoscopic display device in which barriers crossing each other are formed on two substrates and voltage is applied to the barrier pattern to drive liquid crystals between the two substrates such that one of the barriers is selectively driven, enabling selective implementation of 3-dimensional (3D) display and dual view display.Type: GrantFiled: November 30, 2010Date of Patent: February 24, 2015Assignee: LG Display Co., Ltd.Inventors: Sung Woo Kim, Jong Hoon Woo, Hee Jin Im
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Patent number: 8581815Abstract: Disclosed is a display device adapted to selectively display a normal image, a stereoscopic image, a multi-view image and a stereoscopic multi-view image is disclosed. The display device includes a liquid crystal panel displaying an image; a polarizer disposed on the liquid crystal panel; a liquid crystal lens disposed on the polarizer; and a polarizing member interposed between the liquid crystal lens and the liquid crystal panel, wherein an axis of light transmitted through the liquid crystal lens coincides with an optical axis of the polarizer. Accordingly, the display device can selectively display a normal image, a stereoscopic image, a multi-view image and a stereoscopic multi-view image, while improving the picture quality and the brightness.Type: GrantFiled: October 24, 2008Date of Patent: November 12, 2013Assignee: LG Display Co., Ltd.Inventors: Hyung Ki Hong, Hee Jin Im
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Patent number: 8502953Abstract: A liquid crystal lens electrically driven and stereoscopy display device using the same are disclosed, by which a thickness of a liquid crystal layer provided to the liquid crystal lens electrically driven is reduced in a manner of applying fresnel lens within a pitch anisotropically.Type: GrantFiled: October 26, 2010Date of Patent: August 6, 2013Assignee: LG Display Co., Ltd.Inventor: Hee-Jin Im
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Patent number: 8502930Abstract: Disclosed are an electrically-driven liquid crystal lens which includes a light shade to be switched on/off according to whether or not voltage is applied, reducing a cell gap of a liquid crystal layer, and a stereoscopic display device using the same, the electrically-driven liquid crystal lens includes first and second substrates opposite each other and each including plural lens regions and a light shade provided at a boundary of each lens region, first electrodes formed in a given direction on the first substrate in each lens region, a second electrode formed on the second substrate and having an aperture corresponding to the light shade, first and second light shade switching electrodes formed at the light shade and extending parallel to the first electrodes, a liquid crystal layer between both the substrates, and a polarizer plate formed above the second substrate and having a first transmission axis.Type: GrantFiled: November 30, 2010Date of Patent: August 6, 2013Assignee: LG Display Co., Ltd.Inventor: Hee Jin Im
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Patent number: 8358399Abstract: An electrically-driven liquid crystal lens wherein electric connection between finely split electrodes and signal lines used to apply signals to the split electrodes can be accomplished using a minimal number of masks and signals can be applied to the finely split electrodes without line resistance, and a stereoscopic display device using the same are disclosed.Type: GrantFiled: October 28, 2008Date of Patent: January 22, 2013Assignee: LG Display Co., Ltd.Inventors: Byung Joo Lee, Hee Jin Im
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Publication number: 20120299808Abstract: An image display device which enables tracking of a viewer and is convertible into a 2D display mode without loss of viewing angle, includes an image panel to emit a 2-dimensional (2D) image, a backlight unit to direct collimated light to the image panel, a scattered-light converting cell provided over the backlight unit, the scattered-light converting cell to scatter the collimated light upon 2D display and to directly emit the collimated light upon 3D display, and a holographic optical element provided over the backlight unit, the holographic optical element to adjust an optical path so as to set a viewing window to a position of a viewer upon 3D display.Type: ApplicationFiled: December 21, 2011Publication date: November 29, 2012Inventors: Guen-Sik LEE, Hee-Jin Im, Hyung-Seok Bang
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Patent number: 8305550Abstract: An electrically-driven liquid crystal lens, and a stereoscopic display device using the same, including first and second substrates arranged opposite each other and including an active region having a plurality of lens regions and a pad region defined at an outer rim of the active region, a plurality of first electrodes formed on the first substrate to correspond to the respective lens regions and spaced apart from one another, a second electrode formed on the entire surface of the second substrate, a voltage source to apply different voltages to the plurality of first electrodes, respectively, and to apply a ground voltage to the second electrode, and a liquid crystal layer interposed between the first substrate and the second substrate.Type: GrantFiled: July 9, 2008Date of Patent: November 6, 2012Assignee: LG Display Co., Ltd.Inventors: Sung Min Jung, Hee Jin Im
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Patent number: 8254026Abstract: A three-dimensional image display capable of reducing a difference between a resolution variation rate in a pixel column direction and a resolution variation rate in a pixel row direction and preventing a color separation phenomenon is disclosed. The three-dimensional image display includes a display panel in which n (n is a natural number) disparity images are displayed and the same disparity images are distributed and displayed in subpixels of the same color, and a lenticular sheet which divides travel paths of the disparity images using a plurality of lenticular lenses which are obliquely arranged in front of the display panel, and the long axes of the lenticular lenses are parallel to an extension line of the subpixels in which the same disparity images are displayed.Type: GrantFiled: May 7, 2008Date of Patent: August 28, 2012Assignee: LG Display Co., Ltd.Inventors: Hyung Ki Hong, Byung Joo Lee, Hee Jin Im
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Publication number: 20120162763Abstract: A image display device includes a display panel including a display area and a non-display area, wherein the display area includes left-eye horizontal pixel lines displaying a left-eye image and right-eye horizontal pixel lines displaying a right-eye image; a polarizing film disposed over the display panel, wherein the polarizing film linearly polarizes the left-eye image and the right-eye image; a patterned retarder disposed over the polarizing film and including left-eye retarders and right-eye retarders, wherein the left-eye retarders correspond to the left-eye horizontal pixel lines and change the linearly polarized left-eye image into left-circularly polarized image, and the right-eye retarders correspond to the right-eye horizontal pixel lines and change the linearly polarized image into right-circularly polarized image; and a lenticular lens film disposed over the polarizing film and including lenticular lenses, wherein the lenticular lenses correspond to the left-eye retarders and the right-eye retardType: ApplicationFiled: November 18, 2011Publication date: June 28, 2012Inventors: Hyeon-Ho SON, Jin-Yeong Kim, Hee-Young Chae, Seung-Man Ryu, Hee-Jin Im, Ju-Hoon Jang
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Publication number: 20120001890Abstract: The present invention is for a switchable 3-dimensional conversion device having a spacer stably formed at a predetermined height by imprinting, a manufacturing method thereof and a stereoscopic image display device using the same, the method includes: providing a first electrode on an inner surface of a first substrate; applying a resin material to the first electrode to a predetermined thickness; placing a mold structure which has a concave part formed with a predetermined depth thereon, on the resin material; stamping the resin material using the mold structure, in order to form a spacer pattern; dry etching the spacer pattern to form a spacer; forming a plurality of second electrodes, which are spaced from one another and have longitudinal axes in one direction, respectively, on a second substrate; and arranging the first and second substrates opposite to each other, bonding the same, and forming a liquid crystal layer between the first and second substrates.Type: ApplicationFiled: July 1, 2011Publication date: January 5, 2012Inventors: Yun-Ho KOOK, Soon-Sung Yoo, Chul-Ho Kim, Hee-Jin Im
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Patent number: 8035763Abstract: An electrically-driven liquid crystal lens, which can achieve not only a gentle parabolic lens plane when being realized via alignment of liquid crystals based on a changed electrode configuration, but also a reduced cell gap of a liquid crystal layer and a stable profile even in a large-area display device, and a stereoscopic display device using the same are disclosed.Type: GrantFiled: December 15, 2010Date of Patent: October 11, 2011Assignee: LG Display Co., Ltd.Inventor: Hee Jin Im