Patents by Inventor Kuei-Ling Liu
Kuei-Ling Liu 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: 9608012Abstract: A display panel is disclosed, comprising: a first substrate; a thin film transistor layer disposed on the first substrate; an insulating layer disposed on the thin film transistor layer; at least one pixel electrode disposed on the insulating layer and exposing an exposure region of the insulating layer; and an alignment layer disposed on the pixel electrode and the exposure region; wherein a surface roughness of the alignment layer disposed on the exposure region is larger than a surface roughness of the alignment layer disposed on the pixel electrode.Type: GrantFiled: August 20, 2015Date of Patent: March 28, 2017Assignee: INNOLUX CORPORATIONInventors: Kuo-Chang Chiang, Kuan-Feng Lee, Peng-Cheng Huang, Kuei-Ling Liu
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Patent number: 9607540Abstract: A display panel is disclosed, which comprises: a first substrate with plural pixel units formed thereon, wherein the pixel units at least comprise a first subpixel unit being a blue pixel unit and a second subpixel unit being a green pixel unit, wherein the first subpixel unit comprises a first subpixel electrode comprising a first trunk electrode, and the second subpixel unit comprises a second subpixel electrode comprising a second trunk electrode; and a second substrate opposite to the first substrate. When light passes through the display panel, a width of a first dark line corresponding to the first trunk electrode is larger than that of a second dark line corresponding to the second trunk electrode.Type: GrantFiled: February 24, 2015Date of Patent: March 28, 2017Assignee: INNOLUX CORPORATIONInventors: Chien-Hung Chen, Hsin-Yu Lee, Hsia-Ching Chu, Kuei-Ling Liu, Ming-Chien Sun
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Publication number: 20170032748Abstract: A display panel includes a liquid crystal layer positioned between first and second substrates. The first substrate comprises scan lines and data lines intersected to define pixel regions. Each pixel region comprises an electrode having two extending portions parallel to the extending direction of the data lines and one bending portion positioned between and connecting the two extending portions. A dark pattern including a first dark pattern and plural second dark patterns is generated when a light passes the pixel region. The first dark pattern is corresponding to the bending portion and parallel to the scan line. The second dark patterns correspond to the extending portions. The first dark pattern has the first and second widths in the first (half of all gray levels) and second gray levels (maximum gray level), respectively. A ratio of the first width to the second width is 2.1 to 3.0.Type: ApplicationFiled: July 6, 2016Publication date: February 2, 2017Applicant: Innolux CorporationInventors: Bo-Chin Tsuei, Hsia-Ching CHU, Kuei-Ling Liu
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Publication number: 20170031079Abstract: A display module including a display panel and a backlight module disposed on a side of the display panel is provided. The backlight module includes a light guide, a light emitting diode, and a first optical film. The light emitting diode has a light emitting surface adjacent to the light guide. The first optical film is located between the light guide and the display panel. The first optical film includes a plurality of first prisms extending along a first direction. The first prisms corresponding to the light emitting surface form a main portion and a peripheral portion located outside the main portion. The main portion has a first height larger than a second height of the peripheral portion.Type: ApplicationFiled: July 22, 2016Publication date: February 2, 2017Applicant: Innolux CorporationInventors: Bo-Tsuen CHEN, Hsia-Ching CHU, Kuei-Ling LIU, Kuo-Chang SU
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Patent number: 9557459Abstract: A display apparatus comprises a display panel. The display panel emits a green light having a green energy and a green point of the CIE 1931 xy chromaticity under the operation of the highest gray level of a green image, and emits a blue light having a blue energy and a blue point of the CIE 1931 xy chromaticity under the operation of the highest gray level of a blue image. The ratio of the green energy to the blue energy is between 0.7 and 1.2. In the CIE 1931 chromaticity diagram, the coordinates of the blue point are bounded by the equation: y=?168.72x2+50.312x?3.635 and the equation: y=?168.72x2+63.81x?5.9174, while y is between 0.04 and 0.08.Type: GrantFiled: June 18, 2015Date of Patent: January 31, 2017Assignee: Innolux CorporationInventors: Shih-Chang Huang, Jeng-Wei Yeh, Kuei-Ling Liu
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Patent number: 9547194Abstract: A liquid crystal display apparatus includes a display panel and a backlight module. The display panel includes a color filter layer having a blue filter portion. The backlight module emits light to the display panel. A peak wavelength of a blue light portion of the spectrum of the light is greater than or equal to 440 nm and smaller than or equal to 450 nm. The blue filter portion has a transmission spectrum having a first wavelength ?1 and a second wavelength ?2, and the first wavelength ?1 and the second wavelength ?2 conform to the following equation: 514 ? ? 1 2 + ? 2 2 + 0.71862 ? ? ? 2 - 0.71862 ? ? ? 1 ? 541 The first wavelength ?1 and the second wavelength ?2 are corresponding to a half level of a peak value of the transmission spectrum, and the unit thereof is nm.Type: GrantFiled: July 12, 2013Date of Patent: January 17, 2017Assignee: INNOLUX CORPORATIONInventors: Jeng-Wei Yeh, Shih-Chang Huang, Kuei-Ling Liu
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Publication number: 20160343983Abstract: An organic light emitting diode display device is provided, which comprises: a first substrate having a first surface with a first side; and a glass-forming sealant disposed thereon, adjacent to the first side and having a top surface, a bottom surface opposite to the top surface, and a middle surface therebetween. The middle surface has a first end connecting to the top surface, a second end connecting to the bottom surface and a third end therebetween. A first distance between a first projection of the first end on the first surface and the first side is unequal to a second distance between a second projection of the second end on the first surface and the first side; and a third distance between a third projection of the third end on the first surface and the first side is shorter than the first or second distance.Type: ApplicationFiled: August 5, 2016Publication date: November 24, 2016Inventors: Chi-Lun KAO, Ming-Chien SUN, Kuei-Ling LIU
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Publication number: 20160329357Abstract: In a display panel, a first substrate has an active area and a peripheral area around the active area. A first trace is located at the peripheral area and extends along a first direction. A second trace intersects the first trace to define a crossing area. The first trace and the second trace are electrically isolated at the crossing area. An insulation layer is disposed on the first trace and the second trace and has an opening region corresponding to the crossing area. The opening region exposes the crossing area. The switch element is adjacent to the opening region, and has an active layer. The active layer has a first width in parallel with the first direction, and the shortest distance between the opening region and the active layer in parallel with the first direction is larger than zero and smaller than the first width.Type: ApplicationFiled: April 14, 2016Publication date: November 10, 2016Inventors: Wei-Ching CHO, Hsia-Ching CHU, Kuei-Ling LIU
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Publication number: 20160300901Abstract: In a display panel, a light shielding layer includes first and second openings adjacent to a first edge of a first substrate. First and second color blocks adjacent to each other are disposed on the light shielding layer along a first direction. The first color block is injected into the first opening and overlaps partial of the light shielding layer. The second color block is injected into the second opening and overlaps partial of the light shielding layer. The first color block has a first overlap portion adjacent to the first edge on the light shielding layer, the second color block has a second overlap portion adjacent to the first edge on the light shielding layer, and the area of the first overlap portion and the area of the second overlap portion are different. A display medium layer is sandwiched between the first substrate and a second substrate.Type: ApplicationFiled: July 22, 2015Publication date: October 13, 2016Inventors: Hsu-Kuan HSU, Hsia-Ching CHU, Chien-Hung CHEN, Kuei-Ling LIU, Mei-Chun SHIH
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Patent number: 9437838Abstract: An organic light emitting diode display device is provided, which comprises: a first substrate; a second substrate opposite to the first substrate; an organic light emitting layer disposed between the first substrate and the second substrate; and a glass-forming sealant disposed between the first substrate and the second substrate and around the organic light emitting layer. Herein the glass-forming sealant comprises: a first portion adjacent to the first substrate, and a second portion adjacent to the second substrate. A first angle is included between the first portion and the first substrate, which is smaller than 90°; a second angle is included between the second portion and the second substrate, which is smaller than 90°; and the first angle is different from the second angle.Type: GrantFiled: December 22, 2014Date of Patent: September 6, 2016Assignee: INNOLUX CORPORATIONInventors: Chi-Lun Kao, Ming-Chien Sun, Kuei-Ling Liu
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Publication number: 20160223845Abstract: A display panel is disclosed, comprising: a first substrate; a thin film transistor layer disposed on the first substrate; an insulating layer disposed on the thin film transistor layer; at least one pixel electrode disposed on the insulating layer and exposing an exposure region of the insulating layer; and an alignment layer disposed on the pixel electrode and the exposure region; wherein a surface roughness of the alignment layer disposed on the exposure region is larger than a surface roughness of the alignment layer disposed on the pixel electrode.Type: ApplicationFiled: August 20, 2015Publication date: August 4, 2016Inventors: Kuo-Chang CHIANG, Kuan-Feng LEE, Peng-Cheng HUANG, Kuei-Ling LIU
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Publication number: 20160202584Abstract: A display panel includes a substrate. A scan line and a data line intersect with each other and are disposed on the substrate. An active layer is disposed on the substrate and between the data line and the substrate. A transparent conductive layer is disposed on the substrate and above the active layer. The active layer includes a contact region electrically connected to the data line, a second contact region electrically connected to the transparent conductive layer, and an intermediate region disposed between the first and the second contact regions. A portion of the intermediate region overlapping with the scan line is a channel region. A portion of the intermediate region not overlapping with the scan line is a non-channel region. The width of the non-channel region is greater than the width of the channel region.Type: ApplicationFiled: August 19, 2015Publication date: July 14, 2016Inventors: Hsing-Yi LIANG, Kuei-Ling LIU, Te-Yu LEE
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Publication number: 20160178951Abstract: A display panel is provided. The display panel includes a color filter substrate. The color filter substrate includes a first substrate, a black matrix, a color filter layer, a transparent conductive layer, and a plurality of spacers. The black matrix and the color filter layer are disposed on the first substrate. The transparent conductive layer is disposed on the color filter layer and the black matrix, and has a plurality of openings located above the black matrix. The spacers are located on the transparent conductive layer and located on the black matrix. At least one of the openings is located between the adjacent spacers, and at least one of the spacers partially overlaps at least one of the openings.Type: ApplicationFiled: June 17, 2015Publication date: June 23, 2016Inventors: Kuan-Feng LEE, Peng-Cheng HUANG, Kuo-Chang CHIANG, Tzu-Min YAN, Kuei-Ling LIU
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Publication number: 20160170537Abstract: Disclosed is a touch device including a substrate and a touch-sensing electrode layer thereon. The touch-sensing electrode layer includes at least one sensing electrode in a touch-sensing region, and at least one conducting line in a non-touch-sensing region. The conducting line is electrically connected to the sensing electrode. The non-touch-sensing region is located outside of the touch-sensing region, and the non-touch-sensing region includes a curve region connecting a first non-curve region and a second non-curve region. The conducting line has a first width in the first non-curve region, a second width in the second non-curve region, and a third width in the curve region, wherein the third width is greater than the first width and the second width.Type: ApplicationFiled: March 5, 2015Publication date: June 16, 2016Inventors: Yang-Chen CHEN, Chia-Hsiung CHANG, Kuei-Ling LIU
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Publication number: 20160154260Abstract: A display panel and a display device are provided. The display panel includes a first substrate having a display region and a non-display region, a second substrate disposed opposite to the first substrate, at least a data line and at least a scan line disposed in the display region, a liquid crystal layer, a plurality of spacers and a seal disposed between the first substrate and the second substrate, a light shielding layer disposed between the first substrate and the second substrate, and including a light transmitting portion and a light shielding portion, and an alignment layer and a plurality of particles disposed on the light transmitting portion and the light shielding portion. A first surface roughness corresponding to the light transmitting portion of the non-display region is greater than a second surface roughness corresponding to the light shielding portion of the non-display region.Type: ApplicationFiled: February 5, 2016Publication date: June 2, 2016Inventors: Yu-Ju Chen, I-Hua Huang, Wan-Shan Yang, Chun-Teng Chen, Chen-Kuan Kao, Hsu-Kuan Hsu, Hsia-Ching Chu, Kuei-Ling Liu, Fu-Cheng Chen, Kuo-Hao Chiu, Chu-Chun Cheng
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Publication number: 20160154274Abstract: A display module includes a light source and a display unit. The light source has an emission spectrum having maximum peak values corresponding to a first maximum peak wavelength and a second maximum peak wavelength. The display unit includes a green filter layer having a transmittance spectrum. The emission spectrum and the transmittance spectrum have a right cross-point and a left cross-point. A product of an emission intensity value of the emission spectrum corresponding to the right cross-point and a transmittance intensity value of the transmittance spectrum corresponding to the right cross-point is a first product value. A product of an emission intensity value of the emission spectrum corresponding to the left cross-point and a transmittance intensity value of the transmittance spectrum corresponding to the left cross-point is a second product value. A ratio of the first product value to the second product value is less than 20%.Type: ApplicationFiled: February 4, 2016Publication date: June 2, 2016Inventors: Fu-Cheng Chen, Jeng-Wei Yeh, Kuei-Ling Liu
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Publication number: 20160131929Abstract: A display panel is provided. The display panel includes a first substrate having a display area and a non-display area. A sealant is disposed on the first substrate and on the non-display area. A planarization layer is disposed on the first substrate. The planarization layer has a first trench formed therein on the non-display area. The first trench has a bottom and a side adjacent to the bottom. The bottom has a roughness that is greater than the roughness of the side.Type: ApplicationFiled: July 7, 2015Publication date: May 12, 2016Inventors: Kuan-Feng LEE, Kuo-Chang CHIANG, Peng-Cheng HUANG, Kuei-Ling LIU
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Publication number: 20160116803Abstract: A display panel comprises a first substrate, a second substrate, a liquid crystal layer disposed between the first substrate and the second substrate, a light-shielding layer disposed between the liquid crystal layer and the second substrate, plural spacers, and an alignment film disposed between the first substrate and the second substrate. The alignment film comprises a first region near the spacer and a second region adjacent to the first region. The second region is positioned outside the first region and corresponds to the light-shielding layer. The first region has a first phase value (S1) and a first roughness value (R1). The second region has a second phase value (S2) and a second roughness value (R2). The ratio (S1/R1) of the first phase value to the first roughness value is larger than the ratio (S2/R2) of the second phase value to the second roughness value.Type: ApplicationFiled: January 21, 2015Publication date: April 28, 2016Inventors: Bo-Chin TSUEI, Hang-Lang LEE, Kuei-Ling LIU
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Publication number: 20160103523Abstract: A touch device comprises a substrate, a plurality of sensing electrodes and a plurality of dummy electrodes. The sensing electrodes are disposed on the substrate. The dummy electrodes disposed on the substrate and between the sensing electrodes. The dummy electrodes are disposed separately by a plurality of trenches which are disposed across each other. An intersection of the trenches is configured with at least one first protrusion. Because of the first protrusion disposed at the intersection of the trenches, the corona discharge occurring at the dummy electrode can be reduced and the electrical performance of the touch device won't be deteriorated. Besides, the disposition of the first protrusion can blur the edge of the dummy electrode, so that human eyes will uneasily perceive the dummy electrode and the display performance of the touch device can be enhanced.Type: ApplicationFiled: October 7, 2015Publication date: April 14, 2016Inventors: Yang-Chen CHEN, Chia-Hsiung CHANG, Kuei-Ling LIU
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Publication number: 20160085093Abstract: A display panel including a first polarizer, a second polarizer, a first substrate, a second substrate, a liquid crystal layer, and a pixel array is provided. The pixel array disposed on the first substrate includes a pixel area wherein a pixel electrode is disposed. The pixel electrode includes a first main electrode, a second main electrode, which substantially perpendicularly intersecting for defining a first domain, a second domain, a third domain, and a fourth domain of the pixel area, and a plurality of branch electrodes separately connected to the first or the second main electrode. When a maximum voltage is applied to the display panel, the liquid crystal layer has an average Azimuthal Angle represented as y1, satisfying B1<y1<A1, A1=0.0000025x3?0.0013716x2+0.1847682x+41.6722409, and B1=?0.00001x3+0.003335x2?0.387814x+52.96697; wherein x represents the pixel per inch of the display panel.Type: ApplicationFiled: December 2, 2014Publication date: March 24, 2016Inventors: Hsin-Yu LEE, Ching-Che YANG, Chen-Kuan KAO, Kuei-Ling LIU