Patents Examined by Alexander P Gross
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Patent number: 10802368Abstract: A display panel including: a base substrate having first and second regions; a color filter layer having a first color layer, and a second color layer disposed in the second region and on the first color layer; a first pixel electrode disposed on the color filter layer and in the first region; and a second pixel electrode disposed in the first region and between the first pixel electrode and the second region. The first pixel electrode includes first branches spaced apart at a first pitch, and second branches spaced apart at a second pitch, the second pixel electrode includes third branches spaced apart at a third pitch and extended in the same direction as the first branches, and fourth branches spaced apart at a fourth pitch and extended in the same direction as the second branches, and the first and third pitches are different from each other.Type: GrantFiled: January 28, 2019Date of Patent: October 13, 2020Assignee: Samsung Display Co., Ltd.Inventors: Jinsu Lee, Seungmin Lee, Kun-wook Han, Basrur Veidhes
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Patent number: 10761363Abstract: A method of fabricating a display device may include the following steps: patterning a light blocking layer on a first surface of a first substrate, forming a color filter layer on a second surface of the first substrate opposite the first surface after the patterning of the light blocking layer, and forming a light conversion layer including a plurality of conversion filters on the first surface of the first substrate after the forming of the color filter layer. Each of the conversion filters may include a plurality of conversion particles, and the color filter layer may be formed to selectively transmit light emitted from each of the conversion filters.Type: GrantFiled: May 4, 2018Date of Patent: September 1, 2020Assignee: Samsung Display Co., Ltd.Inventors: Soodong Kim, Jinwon Kim, Taeho Kim, Minki Nam, Kyoungwon Park
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Patent number: 10754207Abstract: A liquid crystal display device includes an upper substrate and a lower substrate; and a liquid crystal layer sandwiched between the upper and lower substrates. The lower substrate includes a pixel electrode, a first auxiliary capacitance electrode, and a second auxiliary capacitance electrode for one pixel, and one or two auxiliary capacitance lines for one pixel line including pixels. The two auxiliary capacitive electrodes are electrically connected to different auxiliary capacitance lines. Each of the first auxiliary capacitance electrode and the second auxiliary capacitance electrode and the pixel electrode overlap each other in a plan view. The first auxiliary capacitance electrode and the second auxiliary capacitance electrode differ from each other in shape in a display region of each of the pixels. The shape of the first auxiliary capacitance electrode in a first pixel is identical to the shape of the second auxiliary capacitance electrode in a second pixel adjacent to the first pixel.Type: GrantFiled: March 23, 2017Date of Patent: August 25, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Yosuke Iwata, Mitsuhiro Murata, Takuma Tomotoshi, Satoshi Matsumura
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Patent number: 10739645Abstract: A liquid crystal display apparatus includes a liquid crystal display panel including a first substrate, a second substrate, and a liquid crystal layer and a plurality of pixels. The first substrate includes a first electrode provided in each of the pixels and a first horizontal alignment film that determines a pretilt orientation of a liquid crystal molecule. The second substrate includes a second electrode provided to face the first electrode and a second horizontal alignment film that determines the pretilt orientation of the liquid crystal molecule. Each of the first and second horizontal alignment films is a photoalignment film. At least one of the first substrate and the second substrate includes an anchoring structure in each of the pixels.Type: GrantFiled: March 28, 2017Date of Patent: August 11, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Takahiro Sasaki, Iori Aoyama, Yuichi Kita, Kazutaka Hanaoka
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Patent number: 10734414Abstract: This application relates to an array substrate and a display apparatus using same. A structure of the array substrate includes: a substrate; a plurality of scanning lines arranged in parallel in a second direction on the substrate; a plurality of data lines arranged in parallel in the first direction on the substrate; a plurality of pixel cells; a mesh common electrode line, where the mesh common electrode line includes a plurality of first common electrode lines and a plurality of second common electrode lines; and a plurality of metal shield layers disposed between the data line and the sub-pixel, where the plurality of data lines extends along a first broken-line route in the first direction and the second direction and includes at least one step-shape appearance.Type: GrantFiled: December 19, 2017Date of Patent: August 4, 2020Assignee: HKC Corporation LimitedInventor: Zeyao Li
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Patent number: 10705388Abstract: The embodiments of the present disclosure provide a display panel, a method for producing the same and a display apparatus. The display panel includes a first sub-pixel region; a second sub-pixel region, wherein an aperture opening ratio of the first sub-pixel region is less than an aperture opening ratio of the second sub-pixel region; and an insulation layer, having a first thickness at the first sub-pixel region less than a second thickness of the insulation layer at the second sub-pixel region, so that a first cell gap of the display panel at the first sub-pixel region is larger than a second cell gap of the display panel at the second sub-pixel region, thereby at least partially compensating for a difference between the aperture opening ratio of the first sub-pixel region and the aperture opening ratio of the second sub-pixel region.Type: GrantFiled: August 1, 2017Date of Patent: July 7, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Jinming Zhu, Hui Wang, Jia Liu, Yuanhui Guo
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Patent number: 10705286Abstract: A backlight assembly includes a substantially planar light guide defining an upper, lower, and first side surface. A first plurality of LEDs is positioned to emit light into the lower surface. A NVIS filter is placed adjacent to, and a second plurality of LEDs is positioned near to, the first side surface. A directing element extends between the second plurality of LEDs and the NVIS filter and directs the emitted light from the second plurality of LEDs through the NVIS filter and into the light guide. The NVIS filter extends substantially perpendicular from a support structure associated with the light guide.Type: GrantFiled: August 19, 2019Date of Patent: July 7, 2020Assignee: American Panel CorporationInventors: William Dunn, Harry Presley, Chris Tran
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EL element, EL element substrate, lighting device, display device, and liquid crystal display device
Patent number: 10705378Abstract: An EL element including an EL light-emitting structure including a light-emitting layer on a transparent electrode, and a counter electrode on the light-emitting layer, a translucent substrate, and a light scattering layer between the EL light-emitting structure and the translucent substrate, the light scattering layer having a first surface on a transparent electrode side and a second surface on a side of the translucent substrate. The light scattering layer includes light scattering particles which includes particles that form agglomerates in a portion of the first surface such that the portion of the first surface has a concavo-convex shape. The light scattering particles further include particles positioned in order along the second surface such that the second surface is smoother than the portion of the first surface having the concavo-convex shape.Type: GrantFiled: September 14, 2016Date of Patent: July 7, 2020Assignee: TOPPAN PRINTING CO., LTD.Inventors: Kae Tochigi, Kohhei Moronaga -
Patent number: 10698271Abstract: A liquid crystal display panel includes a first substrate, a second substrate, a liquid crystal layer, a plurality of first regions and a plurality of second regions. The first regions and the second regions are formed on the first substrate and the second substrate. In a narrow viewing mode, the luminous flux of the first regions along a first viewing direction is different from that of the first regions along a second viewing direction opposite to the first viewing direction, and the luminous flux of the second regions along the first viewing direction is substantially different from that of the first regions along the first viewing direction.Type: GrantFiled: August 27, 2018Date of Patent: June 30, 2020Assignee: AU OPTRONICS CORPORATIONInventors: Chao-Wei Yeh, Chien-Huang Liao, Wen-Hao Hsu, Tien-Lun Ting, Chao-Yuan Chen, Jenn-Jia Su
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Patent number: 10663793Abstract: A video display device includes a liquid crystal display panel, and light source substrates configured to illuminate the liquid crystal display panel from a rear side of the liquid crystal display panel. Each of the light source substrates includes a plurality of light emitting diodes each of which is provided in corresponding one of areas different from each other in the liquid crystal display panel, and driver elements which drive each of the plurality of light emitting diodes such that light is emitted with luminance corresponding to brightness within a corresponding area of an image in accordance with a control signal. First conductive foil is disposed on a first main surface of the light source substrate on which the light emitting diodes are provided. Second conductive foil is disposed on a second main surface of the light source substrate on a side opposite to the first main surface.Type: GrantFiled: August 30, 2016Date of Patent: May 26, 2020Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yasuhiro Kumamoto, Takeichi Shinya, Koujirou Higa, Masaaki Ofuji, Taizou Takeuchi, Tadahiro Kugimaru, Ryou Shimotaya
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Patent number: 10663636Abstract: A wire grid polarization apparatus includes a plurality of wire-shaped metal layers arranged in parallel to each other in a region, on which light is incident, on a side of a first surface of a transmissive substrate. The wire-shaped metal layers include aluminum or silver as a principal component. Outside the region, a sacrificial electrode having an ionization tendency greater than an ionization tendency of the wire-shaped metal layers is electrically coupled to the wire-shaped metal layers. This allows the sacrificial electrode to prevent the wire-shaped metal layers from being corroded under a condition of high temperature and high humidity. Being provided outside the region, the sacrificial electrode does not impair polarization separation performance.Type: GrantFiled: October 29, 2018Date of Patent: May 26, 2020Assignee: SEIKO EPSON CORPORATIONInventor: Masaaki Aota
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Patent number: 10663780Abstract: 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: GrantFiled: June 30, 2017Date of Patent: May 26, 2020Assignee: LG Display Co., Ltd.Inventors: Hee-Jin Im, Seung-Man Ryu
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Patent number: 10656477Abstract: Each of pixels arranged in a matrix has at least first and second subpixels defined to include an electrode pair of a subpixel electrode and a counter electrode facing each other with a liquid crystal layer interposed therebetween. A scanning signal is applied from a scanning signal line of each row of the matrix to a gate electrode of a TFT for applying a data signal from a source signal line to the subpixel electrode included in each of the first and second subpixels. A discharge capacitor electrode is connected to the subpixel electrode of the second subpixel through another TFT. When the signal width of the scanning signal is within a range from M times (M is 0 or 1) the length of 1 H to (M+1) times, a discharge signal line is connected to the scanning signal line, which is scanned after N horizontal scanning periods (N is M+2, that is, 2 or 3), by a signal-to-signal connection line.Type: GrantFiled: August 27, 2015Date of Patent: May 19, 2020Assignee: Sakai Display Products CorporationInventors: Kentaro Irie, Masae Kitayama
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Patent number: 10642088Abstract: The present disclosure relates to a liquid crystal display panel, a display device, and a display method. The liquid crystal display panel includes: a first substrate and a second substrate opposed to each other; a liquid crystal layer located between the first substrate and the second substrate; and a quantum dot layer located on a side of the second substrate away from the liquid crystal layer, and including a plurality of quantum dots of different dimensions.Type: GrantFiled: July 24, 2018Date of Patent: May 5, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiangxiang Zou, Zezhou Yang, Xiaolong Li
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Patent number: 10627688Abstract: An active matrix substrate is provided that includes: a plurality of source lines (data lines) 15S; a plurality of lines that intersect with the source lines 15S, and include at least a plurality of gate lines 13G; a gate driver (driving circuit) 11 that includes a plurality of switching elements 18, and are connected to at least a part of the lines, so as to control potentials of the lines according to a control signal; and a plurality of pixel control elements 16T that are provided in correspondence to a plurality of pixels that compose a display region, and are connected with the data lines 15S and the gate lines 13G, so as to control display of the corresponding pixels, respectively. Either the data lines 15S or the gate lines 13G are vertical lines while the others are horizontal lines, and intervals of the horizontal lines are irregular intervals.Type: GrantFiled: November 20, 2015Date of Patent: April 21, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Takayuki Nishiyama, Kohhei Tanaka, Takeshi Noma, Yosuke Iwata, Ryo Yonebayashi
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Patent number: 10620484Abstract: At least one columnar spacer is formed on a first substrate. A height of the columnar spacer is measured. In order to provide a liquid crystal layer, liquid crystal is dropped onto any one of the first substrate and a second substrate with an amount of the liquid crystal determined based on a determination function dependent upon the height of the columnar spacer. The determination function is provided in advance in consideration of prevention of maldistribution the liquid crystal layer caused by temperature increase, prevention of generation of air bubbles inside a gap caused by temperature decrease, and satisfaction of an upper limit condition and a lower limit condition for a dimension of the gap required by optical properties of a liquid crystal panel.Type: GrantFiled: November 27, 2017Date of Patent: April 14, 2020Assignee: Mitsubishi Electric CorporationInventor: Akira Tamatani
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Patent number: 10613386Abstract: A backlight device includes a plurality of light sources arranged in a shape of a matrix, a reflective sheet having partition walls arranged to surround each of the plurality of light sources in four directions and reflecting light emitted from the plurality of light sources, a luminance uniformity plate located above the reflective sheet and uniforming luminance of the light emitted from the plurality of light sources and light reflected by the reflective sheet, and a diffuser panel located above the luminance uniformity plate and diffusing light exiting from the luminance uniformity plate. A gap between the partition wall and the luminance uniformity plate is 5% to 30% of an optical distance defined by a distance between the reflective sheet and, the diffuser panel, and a gap between the luminance uniformity plate and the diffuser panel is not greater than 50% of the optical distance.Type: GrantFiled: December 19, 2017Date of Patent: April 7, 2020Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Hisanori Sasaki, Yoshikazu Yamano, Yasuhiro Kumamoto
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Patent number: 10606117Abstract: Transparent, display panel and display device are provided. The transparent display panel includes: a color filter. The color filter includes a first region configured to realize a screen view and a second region configured to display a perspective image. The second region has a thickness smaller than the first region.Type: GrantFiled: May 17, 2017Date of Patent: March 31, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Zifeng Wang
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Patent number: 10598976Abstract: A liquid crystal display device includes a first substrate, a second substrate facing the first substrate, a liquid crystal layer between the first substrate and the second substrate, the liquid crystal layer being enclosed by a sealing member, a first protrusion in one of the first substrate and the second substrate in a region inner to the sealing member, the first protrusion protruding toward the other of the first substrate and the second substrate, and a resin component bonding the other of the first substrate and the second substrate and the first protrusion to each other.Type: GrantFiled: October 2, 2017Date of Patent: March 24, 2020Assignee: Japan Display Inc.Inventors: Lu Jin, Shinichiro Oka, Yosuke Hyodo
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Patent number: 10591759Abstract: A display device includes first and second substrates each including a short side and a long side, ground parts located on at least one of the short and long sides of each of the first and second substrates and including at least one first ground surfaces, which are perpendicular to opposing surfaces of the first and second substrates, and at least one second ground surfaces, which are provided at at least one edge of the second substrate to define an obtuse angle with reference to the first ground surfaces, and unevenness disposed on the first ground surfaces along a first direction, where the unevenness defines an acute angle with reference to a normal line to the opposing surfaces.Type: GrantFiled: May 2, 2017Date of Patent: March 17, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kang Bin Yi, Dong Rak Ko, Sung Ho Kim, Eun Ji Seo, Sung Hun Son, Hee Kyun Shin, Seok Lyul Yoon, Jeong Seok Lee, Sung Wook Jung, Hwan Kyeong Jeong