Patents Assigned to Chi Mei Corporation
  • Photosensitive resin composition and applications of the same
    Patent number: 9223206
    Abstract: A photosensitive resin composition includes (A) an alkali-soluble resin, (B) a polysiloxane, (C) an ethylenically unsaturated compound, (D) a photo-initiator, (E) a solvent, (F) a black pigment, and (G) a metal chelate. The alkali-soluble resin (A) includes an unsaturated-group-containing resin (A-1) obtained by subjecting a mixture containing (i) an epoxy compound having at least two epoxy groups and (ii) a compound having at least one carboxyl group and at least one ethylenically unsaturated group to polymerization.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: December 29, 2015
    Assignee: Chi Mei Corporation
    Inventors: Ching-Yuan Tseng, Hao-Wei Liao
  • Composition for flexible substrate and flexible substrate
    Patent number: 9200134
    Abstract: The present invention relates to a composition for a flexible substrate having thermal yellowing resistance. The composition for the flexible substrate comprises a polymer (A), an inorganic oxide particle (B), a silane compound containing an amino group (C) and a solvent (D). The polymer (A) is selected from the group consisting of a polyamic acid resin, a polyimide resin and any combination thereof. The polymer (A) is obtained by reacting a mixture that includes a tetracarboxylic dianhydride component and a diamine component. In a preferred embodiment, the polyamic acid resin and polyimide resin are prepared from a bicyclic alicyclic tetracarboxylic dianhydride or a fluorine containing tetracarboxylic dianhydride compound. In another embodiment, a polydiorganosiloxane having from 2 to 11 Si atoms and having terminal amine groups is included in the composition.
    Type: Grant
    Filed: June 9, 2014
    Date of Patent: December 1, 2015
    Assignee: CHI MEI CORPORATION
    Inventor: Yu-Hao Liang
  • Method of providing a phosphor with a precisely controlled element composition, a phosphor provided by the same, a phosphor, and a light emitting device comprising the said phosphor
    Patent number: 9200197
    Abstract: A method of providing a phosphor with a precisely controlled element composition, a phosphor provided by the same, and a red phosphor represented by the [formula 1] are disclosed, in which CaaSrbAlcSidOeNf: Eug??[formula 1] wherein 0?a<1, 0<b<1, c=1, 0.8?d?1.2, 0?e?0.5, 2.5?f?3.1, 0.002?g?0.020, a and b are not both 0 at the same time; and a CIE1931 chromaticity coordinates (x, y) of a light emitted from the phosphor, which is excited by a wavelength of 455 nm, satisfies the formulae: x=[(?0.1059b3+0.068b2?0.06b)+(2152.8g3?309.2g2+8.2943g)+0.6324]±0.01; y=[(?0.1295b3?0.0968b2+0.0702b)+(?3299.2g3+311.08g2?7.9266g)+0.3621]±0.01. The present invention also provides a light emitting device comprising the said red phosphor.
    Type: Grant
    Filed: August 23, 2011
    Date of Patent: December 1, 2015
    Assignee: CHI MEI CORPORATION
    Inventors: Yuan Ren Juang, Jen Shrong Uen, Chih Lung Lin
  • Positive photosensitive resin composition and method for forming patterns by using the same
    Patent number: 9188859
    Abstract: The present invention relates to a positive photosensitive resin composition and a method for forming patterns by using the same. The positive photosensitive resin composition includes a novolac resin (A), an ortho-naphthoquinone diazide sulfonic acid ester (B), a dye (C) and a solvent (D). The novolac resin (A) further includes hydroxy-type novolac resin (A-1), which is synthesized by condensing hydroxylbenzaldehyde compound with aromatic hydroxyl compound. The dye (C) includes at least one (C-1) selected from the group consisting of diazo dye, anthraquinone dye and chromium (III, Cr3+) azo dye, as well as triarylmethane dye (C-2). Since the positive photosensitive resin composition can form colorfully fine patterns on metal circuits, and such patterns are not decolored after being etched, thereby beneficially blocking the reflected light of the metal circuits.
    Type: Grant
    Filed: August 20, 2013
    Date of Patent: November 17, 2015
    Assignee: CHI MEI CORPORATION
    Inventors: Kai-Min Chen, Chun-An Shih
  • Positive photosensitive resin composition and uses thereof
    Patent number: 9190521
    Abstract: The invention relates to a positive photosensitive resin composition without color off after etching. The invention also provides a method for manufacturing a thin-film transistor array substrate, a thin-film transistor array substrate and a liquid crystal display device.
    Type: Grant
    Filed: May 9, 2013
    Date of Patent: November 17, 2015
    Assignee: CHI MEI CORPORATION
    Inventors: Kai-Min Chen, Chun-An Shih
  • Liquid crystal alignment agent, liquid crystal alignment film and liquid crystal display element having thereof
    Patent number: 9188812
    Abstract: The present invention relates to a liquid crystal alignment agent, a liquid crystal alignment film made by the liquid crystal alignment agent and a liquid crystal display element having the liquid crystal alignment film. The liquid crystal alignment agent includes a polymer (A) and a solvent (B). The polymer (A) is synthesized by reacting a mixture that includes a tetracarboxylic dianhydride compound (a) and a diamine compound (b). According to the specific diamine compound (b) and an amount of the same, the aforementioned liquid crystal alignment agent has better pretilt angle stability.
    Type: Grant
    Filed: July 9, 2014
    Date of Patent: November 17, 2015
    Assignee: CHI MEI CORPORATION
    Inventor: Tsung-Pei Tsai
  • Photosensitive resin composition for a color filter and uses thereof
    Patent number: 9164196
    Abstract: The invention relates to a photosensitive resin composition, and it has the advantages of a high development speed and good compatibility. The invention also provides a method for manufacturing a color filter, color filter and liquid crystal display device.
    Type: Grant
    Filed: May 6, 2013
    Date of Patent: October 20, 2015
    Assignee: CHI MEI CORPORATION
    Inventors: Bar-Yuan Hsieh, Jung-Pin Hsu, Bo-Hsuan Lin
  • Phosphor and light emitting device
    Patent number: 9157024
    Abstract: A phosphor and a light emitting device are provided. The phosphor comprises a composition having a formula of AaSi5OtNn:EuZ. A is selected from the group consisting of Be, Mg, Ca, Sr and Ba. 1.7<a<2.5. 0?t<1, 7<n<9. 0.001<z<0.3. The phosphor has Mo of 10 ppm-500 ppm.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: October 13, 2015
    Assignee: CHI MEI CORPORATION
    Inventors: Yuan-Ren Juang, Jen-Shrong Uen
  • Liquid crystal alignment agent, and liquid crystal alignment film and liquid crystal display element formed from the liquid crystal alignment agent
    Patent number: 9150754
    Abstract: A liquid crystal alignment agent includes a polymer composition obtained by subjecting a diamine component and a tetracarboxylic dianhydride component to a reaction, a solvent, and a hydroxyl compound. Preferably, the hydroxyl compound has a weight average molecular weight ranging from 300 to 1,000,000. A liquid crystal alignment film formed from the liquid crystal alignment agent and a liquid crystal display element including the liquid crystal alignment film are also disclosed.
    Type: Grant
    Filed: June 18, 2013
    Date of Patent: October 6, 2015
    Assignee: Chi Mei Corporation
    Inventors: Li-Tao Hsu, Yu-Hao Liang, Huai-Pin Hsueh
  • Color liquid crystal display device
    Patent number: 9134564
    Abstract: A color liquid crystal display device includes a liquid crystal display element and a backlight unit. The liquid crystal display element includes a color filter having a red filter segment, a green filter segment, and a blue filter segment. The blue filter segment is prepared from a blue photosensitive resin composition. The blue photosensitive resin composition includes a pigment combination, an alkali-soluble resin, a compound having an ethylenic group, and a photoinitiator. The pigment combination includes a copper phthalocyanine-based blue pigment. The color filter has a z value ranging from 0.3 to 0.5 in a chromaticity diagram of a XYZ color system. The backlight unit is coupled to the liquid crystal display element and has a color temperature ranging from 8,000 K to 20,000 K.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: September 15, 2015
    Assignee: CHI MEI CORPORATION
    Inventors: Bo-Hsuan Lin, Jung-Pin Hsu, Chung-En Cheng
  • Moisture-proof and insulating coating material and uses thereof
    Patent number: 9136038
    Abstract: The invention relates to a moisture-proof and insulating coating material comprising a block copolymer or hydrogenated copolymer thereof (A), an adhesive resin (B) and a solvent (C). The block copolymer or hydride (A) comprises at least two vinyl aromatic polymer blocks and at least one conjugated diene polymer block, and in the moisture-proof and insulating coating material, the content of residual vinyl aromatic monomer is less than 300 ppm, and the content of vinyl aromatic oligomer is less than 300 ppm. The moisture-proof and insulating coating material according to the invention has good reworkability. A moisture-proof and insulating film and a method for producing the same and an electrical component comprising the moisture-proof and insulating film and a method for producing the same are also provided in the invention.
    Type: Grant
    Filed: April 10, 2012
    Date of Patent: September 15, 2015
    Assignee: CHI MEI CORPORATION
    Inventors: Bo-Hsuan Lin, Kuang-Chieh Li
  • Strippable adhesion composition and uses thereof
    Patent number: 9115298
    Abstract: The invention relates to a strippable adhesion composition, and it has the advantage of good stripability. The invention also provides a strippable material and method for manufacturing the same and an electronic device and method for manufacturing the same.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: August 25, 2015
    Assignee: CHI MEI CORPORATION
    Inventor: Kuang-Chieh Li
  • Fluorescent material and light emitting device using the same
    Patent number: 9115310
    Abstract: A fluorescent material and a light emitting device using the same are provided. The fluorescent material has a general formula of ((LumA1-m)zCe1-z)3Q5O12, wherein 0<m<1 and 0<z<1. A includes at least one of element Y, element La, and element Gd. Q includes at least one of element Al, element Ga, and element In. 1.74?(m*z+1?z)*3?3.0 and 0.1?(1?m)*z*3?1.35.
    Type: Grant
    Filed: May 14, 2012
    Date of Patent: August 25, 2015
    Assignee: CHI MEI CORPORATION
    Inventors: Yao-Tsung Chuang, Jen-Shrong Uen, Chih-Lung Lin
  • Strippable adhesive composition and uses thereof
    Patent number: 9109145
    Abstract: The invention relates to a strippable adhesive composition, and it has the advantage of good stripability and coating. The invention also provides a strippable material and method for manufacturing the same and an electronic component and method for manufacturing the same.
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: August 18, 2015
    Assignee: CHI MEI CORPORATION
    Inventor: Kuang-Chieh Li
  • Phosphor and luminescent device
    Patent number: 9096798
    Abstract: A phosphor and a luminescent device are provided. The phosphor includes a composition represented by following formula (I): CapSrqMm—Aa—Bb—Ot—Nn:Eur??(I) in the formula (I), M is selected from the group consisting of Mg and Ba; A is selected from the group consisting of Al, Ga, In, Sc, Y, La, Gd and Lu, and A includes at least Al; B is selected from the group consisting of Si, Ge, Sn, Ti, Zr and Hf, and B includes at least Si; O represents oxygen; N represents nitrogen; 0<p<1, 0<q<1, 0?m<1, p+q+m?1.55, 0?t?0.3, 0.00001?r?0.1, a=1, 0.8?b?1.2, and 2.6?n?3.1. The phosphor also contains 10-500 ppm of molybdenum (Mo). Moreover, the luminescent device includes the phosphor containing the composition represented by the formula (I).
    Type: Grant
    Filed: May 16, 2013
    Date of Patent: August 4, 2015
    Assignee: Chi Mei Corporation
    Inventors: Yuan-Ren Juang, Jen-Shrong Uen
  • Blue photosensitive resin composition for color filter and uses thereof
    Patent number: 9086532
    Abstract: The invention relates to a blue photosensitive resin composition that has the advantages of good developing-resistance, good ageing stability of sensitivity and good contrast. The invention also provides a method for manufacturing a color filter, a color filter and a liquid crystal display device.
    Type: Grant
    Filed: July 28, 2014
    Date of Patent: July 21, 2015
    Assignee: CHI MEI CORPORATION
    Inventor: Jung-Pin Hsu
  • Photosensitive resin composition for a color filter and uses thereof
    Patent number: 9081142
    Abstract: The invention relates to a blue photosensitive resin composition, and it has the advantage of good developing-resistance, good ageing stability of sensitivity and good contrast. The invention also provides a method for producing a color filter, a color filter and a liquid crystal display device.
    Type: Grant
    Filed: May 19, 2014
    Date of Patent: July 14, 2015
    Assignee: CHI MEI CORPORATION
    Inventors: Jung-Pin Hsu, Duan-Chih Wang
  • Photosensitive resin composition for color filters and uses thereof
    Patent number: 9075305
    Abstract: The invention relates to a photosensitive resin composition, and a color filter produced thereby has the advantages of no bubble display and little color difference before and after development. The invention also provides a method for manufacturing a color filter, color filter and liquid crystal display device.
    Type: Grant
    Filed: September 9, 2013
    Date of Patent: July 7, 2015
    Assignee: CHI MEI CORPORATION
    Inventor: Jung-Pin Hsu
  • Conductive paste
    Patent number: 9076572
    Abstract: A conductive paste is provided, which includes 3 wt % to 20 wt % of epoxy resin, 10 wt % to 25 wt % of solvent, 0.3 wt % to 5 wt % of latent curing agent, 3.5 wt % to 35 wt % of flaky metal powder surface-treated by saturated fatty acid, and 35 wt % to 75 wt % of flaky metal powder surface-treated by unsaturated fatty acid.
    Type: Grant
    Filed: March 20, 2014
    Date of Patent: July 7, 2015
    Assignee: Chi Mei Corporation
    Inventors: Chan-Li Hsueh, Chung-Ping Li, Chu-Yun Cheng
  • Photosensitive resin composition and application of the same
    Patent number: 9063422
    Abstract: A photosensitive resin composition includes (A) an alkali-soluble resin, (B) a polysiloxane, (C) an ethylenically unsaturated compound, (D) a photo-initiator, (E) a black pigment, and (F) a solvent. The alkali-soluble resin includes an unsaturated-group-containing resin obtained by subjecting a mixture containing (i) an epoxy compound having at least two epoxy groups and (ii) a compound having at least one carboxyl group and at least one ethylenically unsaturated group to polymerization. A weight ratio of the unsaturated-group-containing resin to the polysiloxane ranges from 0.1 to 3.0. Application of the photosensitive resin composition is also disclosed.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: June 23, 2015
    Assignee: Chi Mei Corporation
    Inventors: Hao-Wei Liao, Ching-Yuan Tseng, Chun-Hsien Lee, Ming-Ju Wu, Chun-An Shih