Patents by Inventor Pei-Ching Liu
Pei-Ching 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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Publication number: 20240071504Abstract: A memory device is provided, including a memory array, a driver circuit, and recover circuit. The memory array includes multiple memory cells. Each memory cell is coupled to a control line, a data line, and a source line and, during a normal operation, is configured to receive first and second voltage signals. The driver circuit is configured to output at least one of the first voltage signal or the second voltage signal to the memory cells. The recover circuit is configured to output, during a recover operation, a third voltage signal, through the driver circuit to at least one of the memory cells. The third voltage signal is configured to have a first voltage level that is higher than a highest level of the first voltage signal or the second voltage signal, or lower than a lowest level of the first voltage signal or the second voltage signal.Type: ApplicationFiled: August 30, 2022Publication date: February 29, 2024Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Pei-Chun LIAO, Yu-Kai CHANG, Yi-Ching LIU, Yu-Ming LIN, Yih WANG, Chieh LEE
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Patent number: 11795245Abstract: A hydrophobic polyvinyl alcohol and a method for preparing hydrophobic polyvinyl alcohol are provided. The hydrophobic polyvinyl alcohol includes a first repeat unit represented by Formula (I), a second repeat unit represented by Formula (II), and a third repeat unit represented by Formula (III) wherein R1 is —Si(R2)3, R2 is independently C1-6 alkoxy group, C6-18 alkyl group, or C6-22 alkenyl group, and at least one R2 is C6-18 alkyl group or C6-22 alkenyl group; R3 and R4 are independently C6-18 alkyl group or C6-22 alkenyl group; j is 3 to 7; and k is 1 to 30.Type: GrantFiled: June 22, 2022Date of Patent: October 24, 2023Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yi-Chun Liu, Pei-Ching Liu, Ting-Ting Chang, Tien-Shou Shieh
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Publication number: 20230174686Abstract: A hydrophobic polyvinyl alcohol and a method for preparing hydrophobic polyvinyl alcohol are provided. The hydrophobic polyvinyl alcohol includes a first repeat unit represented by Formula (I), a second repeat unit represented by Formula (II), and a third repeat unit represented by Formula (III) wherein R1 is —Si(R2)3, R2 is independently C1-6 alkoxy group, C6-18 alkyl group, or C6-22 alkenyl group, and at least one R2 is C6-18 alkyl group or C6-22 alkenyl group; R3 and R4 are independently C6-18 alkyl group or C6-22 alkenyl group; j is 3 to 7; and k is 1 to 30.Type: ApplicationFiled: June 22, 2022Publication date: June 8, 2023Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yi-Chun LIU, Pei-Ching LIU, Ting-Ting CHANG, Tien-Shou SHIEH
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Publication number: 20220342182Abstract: A fixed-focus lens includes an anti-radiation first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens arranged in order in a direction. An aperture stop is disposed between the first lens and the fourth lens. A ratio of a lens diameter of the first lens to an overall length is within a range of 0.4 to 0.5, where the overall length is an axial distance between an outer surface of the first lens and an outer surface of the seventh lens. Each of the first lens to the seventh lens is a spherical glass lens.Type: ApplicationFiled: April 15, 2022Publication date: October 27, 2022Inventors: Pei-Ching LIU, Kuo-Chuan WANG
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Patent number: 10962749Abstract: An optical lens includes, in order along a direction, an aperture stop and a lens group with a positive refractive power. The aperture stop is disposed at an outermost side of all lenses of the optical lens, and the lens group has at least four lenses. At least one of the four lenses is an aspheric lens, and each of the four lenses has a clear aperture of smaller than 14 mm.Type: GrantFiled: July 18, 2018Date of Patent: March 30, 2021Assignee: Young Optics Inc.Inventors: Kai-Yun Chen, Pei-Ching Liu, Kuo-Chuan Wang
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Publication number: 20190025558Abstract: On embodiment of the invention provides an optical lens including, in order along a direction, an aperture stop and a lens group with a positive refractive power. The aperture stop is disposed at an outermost side of all lenses of the optical lens, and the lens group has at least four lenses. At least one of the four lenses is an aspheric lens, and each of the four lenses has a clear aperture of smaller than 14 mm.Type: ApplicationFiled: July 18, 2018Publication date: January 24, 2019Inventors: KAI-YUN CHEN, PEI-CHING LIU, KUO-CHUAN WANG
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Patent number: 9843012Abstract: The present disclosure provides a top emitting organic electroluminescent device including a first scattering layer, and a first electrode, at least one organic material layer, a second electrode and a second scattering layer formed on the first scattering layer sequentially. The first scattering layer contains a plurality of micro-particles that are 10 to 90 wt % of the first scattering layer.Type: GrantFiled: December 26, 2014Date of Patent: December 12, 2017Assignee: Industrial Technology Research InstituteInventors: Jung-Yu Liao, Tien-Shou Shieh, Pei-Ching Liu
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Patent number: 9541747Abstract: A zoom lens including a first lens group and a second lens group is provided. Refractive powers of the first lens group and the second lens group are respectively negative and positive. The first lens group includes a first lens, a second lens, and a third lens arranged in sequence from an object side to an image side. The second lens group is disposed between the first lens group and the image side, and includes a fourth lens, a fifth lens, a sixth lens, a seventh lens, and an eighth lens arranged in sequence from the object side to the image side. The zoom lens satisfies ?2.4<f1/fw<?1.0, wherein f1 is the effective focal length of the first lens group, and fw is the effective focal length of the zoom lens at a wide end.Type: GrantFiled: December 25, 2013Date of Patent: January 10, 2017Assignee: Young Optics Inc.Inventors: Yu-Hung Chou, Pei-Ching Liu
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Publication number: 20160190498Abstract: The present disclosure provides a top emitting organic electroluminescent device including a first scattering layer, and a first electrode, at least one organic material layer, a second electrode and a second scattering layer formed on the first scattering layer sequentially. The first scattering layer contains a plurality of micro-particles that are 10 to 90 wt % of the first scattering layer.Type: ApplicationFiled: December 26, 2014Publication date: June 30, 2016Applicant: Industrial Technology Research InstituteInventors: Jung-Yu Liao, Tien-Shou Shieh, Pei-Ching Liu
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Patent number: 9096708Abstract: A partially esterified epoxy resin and an epoxy resin composition applied with the same, and a method for preparing the composition are provided. The preparation method includes the following steps. A bifunctional epoxy resin and an anhydride are mixed and heated, wherein the number of equivalent moles of the bifunctional epoxy resin is greater than that of the anhydride, to form a partially esterified epoxy resin. A curing agent is mixed into the partially esterified epoxy resin to form a mixed solution. The mixed solution is cured to form the partially esterified epoxy resin composition.Type: GrantFiled: February 11, 2013Date of Patent: August 4, 2015Assignee: Industrial Technology Research InstituteInventors: Tien-Shou Shieh, Chih-Hsiang Ho, Pei-Ching Liu
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Publication number: 20140320978Abstract: A zoom lens including a first lens group and a second lens group is provided. Refractive powers of the first lens group and the second lens group are respectively negative and positive. The first lens group includes a first lens, a second lens, and a third lens arranged in sequence from an object side to an image side. The second lens group is disposed between the first lens group and the image side, and includes a fourth lens, a fifth lens, a sixth lens, a seventh lens, and an eighth lens arranged in sequence from the object side to the image side. The zoom lens satisfies ?2.4<f1/fw<?1.0, wherein f1 is the effective focal length of the first lens group, and fw is the effective focal length of the zoom lens at a wide end.Type: ApplicationFiled: December 25, 2013Publication date: October 30, 2014Applicant: YOUNG OPTICS INC.Inventors: Yu-Hung Chou, Pei-Ching Liu
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Publication number: 20140113994Abstract: A partially esterified epoxy resin and an epoxy resin composition applied with the same, and a method for preparing the composition are provided. The preparation method includes the following steps. A bifunctional epoxy resin and an anhydride are mixed and heated, wherein the number of equivalent moles of the bifunctional epoxy resin is greater than that of the anhydride, to form a partially esterified epoxy resin. A curing agent is mixed into the partially esterified epoxy resin to form a mixed solution. The mixed solution is cured to form the partially esterified epoxy resin composition.Type: ApplicationFiled: February 11, 2013Publication date: April 24, 2014Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Tien-Shou SHIEH, Chih-Hsiang HO, Pei-Ching LIU
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Patent number: 8604102Abstract: The disclosure provides a thermosetting composition, including: (a) about 1-35 wt % of an oligomer, wherein the oligomer is obtained by reacting a liquid epoxy resin with an aromatic primary amine having four active hydrogen atoms, and the liquid epoxy resin and the primary amine have an equivalent mole ratio of 1:0.15-1:2.50; (b) about 5-10 wt % of a long chain resin; (c) about 50-80 wt % of an epoxy resin having at least two functional groups; and (d) about 5-15 wt % of a plasticizer.Type: GrantFiled: May 23, 2011Date of Patent: December 10, 2013Assignee: Industrial Technology Research InstituteInventors: Tien-Shou Shieh, Pei-Ching Liu
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Patent number: 8523362Abstract: An illumination system includes a chip package, a first dichroic film, a second dichroic film, and a third dichroic film. The first dichroic film, the second dichroic film, and the third dichroic film are not parallel to each other and do not cross each other. The chip package includes a first light-emitting chip capable of emitting a first light beam, a second light-emitting chip capable of emitting a second light beam, and a third light-emitting chip capable of emitting a third light beam. The first light-emitting chip, the second light-emitting chip, and the third light-emitting chip are arranged in a row. The first dichroic film reflects the first light beam and transmitting the second light beam, the second dichroic film reflects the second light beam, the first dichroic film and the second dichroic film transmit the third light beam, and the third dichroic film reflects the third light beam.Type: GrantFiled: August 20, 2010Date of Patent: September 3, 2013Assignee: Young Optics Inc.Inventors: Chien-Jung Huang, Pei-Ching Liu, Ruei-Bin Jhang, S-Wei Chen
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Patent number: 8193258Abstract: A sealant composition is provided. The sealant composition includes (a) an oligomer including an unsaturated mono-carboxylic acid modified bisphenol A epoxy resin and an unsaturated mono-carboxylic acid modified bisphenol F epoxy resin, wherein an equivalence ratio of the bisphenol A epoxy resin to the bisphenol F epoxy resin is 0.05:0.95 to 0.3:0.7, the bisphenol A epoxy resin has a melting point higher than 40° C. and the bisphenol F epoxy resin has a melting point lower than 40° C.; (b) an epoxy resin having at least two or more than two epoxy groups; and (c) a photoinitiator.Type: GrantFiled: August 25, 2009Date of Patent: June 5, 2012Assignee: Industrial Technology Research InstituteInventors: Jauder Jeng, Man-Lin Chen, Pei-Ching Liu, Tien-Shou Shieh
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Publication number: 20120133898Abstract: A projection apparatus includes an illumination system, a light valve, a projection lens, and a first reflective unit. The illumination system provides an illumination light beam. The light valve is disposed on a transmission path of the illumination light beam and capable of converting the illumination light beam into an image light beam. The illumination light beam is transmitted to the light valve vertically. The projection lens is disposed on a transmission path of the image light beam. The first reflective unit disposed on the transmission path of the image light beam is located between the light valve and the projection lens. The first reflective unit is capable of reflecting the image light beam from the light valve to the projection lens. The image light beam reflected by the first reflective unit to the projection lens is perpendicular to the illumination light beam transmitted to the light valve.Type: ApplicationFiled: June 29, 2011Publication date: May 31, 2012Applicant: YOUNG OPTICS INC.Inventors: Jui-Ping Chang, Chih-Hsien Tsai, Pei-Ching Liu, S-Wei Chen
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Publication number: 20120123039Abstract: The disclosure provides a thermosetting composition, including: (a) about 1-35 wt % of an oligomer, wherein the oligomer is obtained by reacting a liquid epoxy resin with an aromatic primary amine having four active hydrogen atoms, and the liquid epoxy resin and the primary amine have an equivalent mole ratio of 1:0.15-1:2.50; (b) about 5-10 wt % of a long chain resin; (c) about 50-80 wt % of an epoxy resin having at least two functional groups; and (d) about 5-15 wt % of a plasticizer.Type: ApplicationFiled: May 23, 2011Publication date: May 17, 2012Inventors: Tien-Shou Shieh, Pei-Ching Liu
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Publication number: 20120092629Abstract: A projection device including an optical engine base, a light source, a light valve, and a projection lens is provided. The light source includes a component holder, a light component, and light lens. The component holder is assembled to the optical engine base, and has a component slot and a lens slot communicated with the component slot. The lens slot has at least one slot section plane. The light component is disposed within the component slot. The light lens is disposed within the lens slot, and adapted to form the light generated by the light component into a lighting beam. The light valve and the projection lens are assembled to the optical engine base. The light valve is adapted to convert the lighting beam into an image beam. The projection lens is adapted to convert the image beam into a projection beam.Type: ApplicationFiled: July 7, 2011Publication date: April 19, 2012Applicant: YOUNG OPTICS INC.Inventors: Chih-Wei Chang, Pei-Ching Liu, Jui-Hsiang Yen, Chien-Jung Huang
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Publication number: 20120075594Abstract: A projection apparatus including a light source, a light uniforming and shaping module, and a light valve is provided. The light source has a light-emitting surface and is capable of emitting an illumination beam. The light uniforming and shaping module is disposed on a transmission path of the illumination beam. The light valve is disposed on a projection surface and on the transmission path of the illumination beam from the light uniforming and shaping module, wherein the light valve is capable of converting the illumination beam into an image beam. The light uniforming and shaping module is for projecting a light from each point of the light-emitting surface to a region on the projection surface, and the union of the regions projected from all the points on the light-emitting surface covers an entire active surface of the light valve. An illumination system is also provided.Type: ApplicationFiled: June 10, 2011Publication date: March 29, 2012Applicant: YOUNG OPTICS INC.Inventors: Chih-Hsien Tsai, Chien-Jung Huang, Pei-Ching Liu, Yu-Tsung Lee, Yi-Hao Kang, Chi-Tang Hsieh
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Publication number: 20110199581Abstract: An optical projection system includes a light source module, a field lens, a fly-eye lens, a light valve and a projection lens. The field lens is disposed on a propagation path of a light beam, where the light beam emitted from the light source module comprises a transmission light beam passing through the field lens and a reflection light beam reflected by the field lens. The fly-eye lens is disposed on the propagation path of the light beam and between the light source module and the field lens to homogenize the light beam, where the fly-eye lens includes a plurality of lens elements arranged in an array, the reflection light beam passes through the lens element via a transmissive region of the lens element, and at least one of an opaque structure, a light-diffusing structure and a light-deflecting structure is formed on the transmissive region.Type: ApplicationFiled: February 9, 2011Publication date: August 18, 2011Inventors: Ruei-Bin JHANG, Pei-Ching Liu, Chien-Jung Huang, S-Wei Chen