Patents by Inventor Chuang-Hung Chiu
Chuang-Hung Chiu 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).
-
Publication number: 20180210132Abstract: A light guiding plate includes a light emitting surface, a structural surface, a light incident surface and a plurality of trench structures. The structural surface is opposite to the light emitting surface. The light incident surface connects between the light emitting surface and the structural surface. The trench structures are formed at intervals on the structural surface. Each of the trench structures includes a first surface and a second surface. The first surface connects with the structural surface. A first angle included between the first surface and the structural surface ranges from 110 degrees to 130 degrees. The second surface connects with the structural surface. The second surface connects with the first surface to form a trench axis. The first surface of each of the trench structures is closer to the light incident surface relative to the corresponding second surface.Type: ApplicationFiled: April 11, 2017Publication date: July 26, 2018Inventors: Chuang-Hung CHIU, Chao-Heng CHIEN, Yueh-Hao CHEN, Wei-Cheng CHIEN
-
Publication number: 20170160445Abstract: An optical film includes a first substrate and a second substrate. A plurality of first particles are doped and dispersed in the first substrate, and a plurality of second particles are doped and dispersed in the second substrate. The first substrate has a top surface and a bottom surface, wherein the top surface is a flat surface and the bottom surface is a rough surface. The second substrate is attached to the bottom surface of the first substrate and the second substrate has flat surfaces.Type: ApplicationFiled: June 1, 2016Publication date: June 8, 2017Inventors: Chuang-Hung Chiu, Chao-Heng Chien, Yueh-Hao Chen, Wei-Cheng Chien
-
Publication number: 20160146424Abstract: A light-emitting device includes a light-emitting body and an out-coupling film. The light-emitting body has a light-emitting surface. The out-coupling film is located on the light-emitting surface of the light-emitting body. The out-coupling film includes a substrate, plural first optical micro particles, and plural second optical micro particles. The substrate has a rough surface, and the rough surface faces away from the light-emitting body. The first optical micro particles are uniformly distributed in the substrate, and the index of refraction of the first optical micro particles is about in a range from 2.1 to 2.4. The second optical micro particles are uniformly distributed in the substrate, and the index of refraction of the second optical micro particles is about in a range from 1.7 to 1.9.Type: ApplicationFiled: December 26, 2014Publication date: May 26, 2016Inventors: Chuang-Hung CHIU, Chao-Heng CHIEN, Jen-Chi LEE
-
Publication number: 20160116134Abstract: An optical and increased OLED illumination includes a light-emitting body and an out-coupling film. The light-emitting body has a light-emitting surface. The out-coupling film is located on the light-emitting surface of the light emitting body. The out-coupling film includes a substrate and a plurality of optical micro particles. The index of refraction of the substrate is substantially the same as that of the light-emitting body, and the optical micro particles are uniformly distributed in the substrate.Type: ApplicationFiled: December 29, 2014Publication date: April 28, 2016Inventors: Chuang-Hung CHIU, Chao-Heng CHIEN, Jen-Chi LEE
-
Patent number: 8304980Abstract: A fluorescence material and a white light illumination element are provided. The white light illumination element includes a light emitting diode (LED) chip, a first fluorescence material, and a second fluorescence material. The LED chip is configured on a substrate and emits an exciting light. The first fluorescence material and the second fluorescence material are configured on the LED chip. A composition of the first fluorescence material includes an aluminum nitride oxide doped with at least one of europium (Eu) and manganese (Mn). A first emitted light emitted by the first fluorescence material after the first fluorescence material absorbs the exciting light emitted from the LED chip and a second emitted light emitted by the second fluorescence material after the second fluorescence material absorbs the exciting light emitted from the LED chip are mixed to generate a white light.Type: GrantFiled: January 19, 2011Date of Patent: November 6, 2012Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Chuang-Hung Chiu, Huai-An Li
-
Publication number: 20120168808Abstract: A package structure including a first substrate, a second substrate and a light emitting diode is provided. The first substrate has at least a first annular engaged portion. The second substrate is disposed above the first substrate and has at least a second annular engaged portion. The light emitting diode is disposed on the first substrate. The second annular engaged portion is infixed to the first annular engaged portion so as to form an airtight space. The light emitting diode is located in the airtight space.Type: ApplicationFiled: June 1, 2011Publication date: July 5, 2012Applicant: CHUNGHWA PICTURE TUBES, LTD.Inventors: Chia-Leo Lin, Chuang-Hung Chiu, Wei-Jen Tu, Huai-An Li
-
Publication number: 20120126686Abstract: A fluorescence material and a white light illumination element are provided. The white light illumination element includes a light emitting diode (LED) chip, a first fluorescence material, and a second fluorescence material. The LED chip is configured on a substrate and emits an exciting light. The first fluorescence material and the second fluorescence material are configured on the LED chip. A composition of the first fluorescence material includes an aluminum nitride oxide doped with at least one of europium (Eu) and manganese (Mn). A first emitted light emitted by the first fluorescence material after the first fluorescence material absorbs the exciting light emitted from the LED chip and a second emitted light emitted by the second fluorescence material after the second fluorescence material absorbs the exciting light emitted from the LED chip are mixed to generate a white light.Type: ApplicationFiled: January 19, 2011Publication date: May 24, 2012Applicant: CHUNGHWA PICTURE TUBES, LTD.Inventors: Chuang-Hung Chiu, Huai-An Li
-
Patent number: 8158027Abstract: A red light fluorescent material adapted for being excited by a first light to emit a red light is provided. The red light fluorescent material has the chemical formula (1) presented below, A2Eu(MO4)(PO4)??(1), in which A represents Li, Na, K, Rb, Cs, or Ag, and M represents Mo, W, or a combination thereof (MoxW(1?x)). The red light fluorescent material can provide a red light with high luminance and good color purity. Moreover, since the composition of the red light fluorescent material includes oxides, the red light fluorescent material has high chemical stability and long lifetime.Type: GrantFiled: June 3, 2009Date of Patent: April 17, 2012Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Chuang-Hung Chiu, Teng-Ming Chen, Chi-Neng Mo
-
Publication number: 20110084598Abstract: A carbonitride phosphor is provided, which is represented by a general chemical formula of (M1-x-yNxCey)2(CN2)3, in which 0.005?x?0.20, 0.005?y?0.15, and M and N are respectively selected from a group consisting of yttrium, lanthanum, cerium, praseodymium, neodymium, samarium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and cassiopeium.Type: ApplicationFiled: January 20, 2010Publication date: April 14, 2011Applicant: CHUNGHWA PICTURE TUBES, LTD.Inventors: Teng-Ming Chen, Yun-Chen Wu, Chuang-Hung Chiu, Huai-An Li, Chi-Neng Mo
-
Publication number: 20110079754Abstract: A fabricating method of nano-powder is provided. First, a mixture having at least a first material and a second material is provided. Then, the mixture is sintered to obtain a single phase alloy body. After that, the single phase alloy body is pre-crumbled to obtain a powder to be ground. Then, a chemical dispersant is added into the powder to further be ground, so as to obtain the nano-powder.Type: ApplicationFiled: December 7, 2009Publication date: April 7, 2011Applicant: Chunghwa Picture Tubes, LTD.Inventors: Tsung-Eong Hsieh, Chun-Chieh Lo, Yin-Hsien Huang, Chuang-Hung Chiu, Mei-Tsao Chiang, Huai-An Li, Chi-Neng Mo
-
Publication number: 20100252847Abstract: A red light fluorescent material adapted for being excited by a first light to emit a red light is provided. The red light fluorescent material has the chemical formula (1) presented below, A2Eu(MO4)(PO4)??(1), in which A represents Li, Na, K, Rb, Cs, or Ag, and M represents Mo, W, or a combination thereof (MoxW(1-x)). The red light fluorescent material can provide a red light with high luminance and good color purity. Moreover, since the composition of the red light fluorescent material includes oxides, the red light fluorescent material has high chemical stability and long lifetime.Type: ApplicationFiled: June 3, 2009Publication date: October 7, 2010Applicant: CHUNGHWA PICTURE TUBES, LTD.Inventors: Chuang-Hung Chiu, Teng-Ming Chen, Chi-Neng Mo
-
Publication number: 20100244066Abstract: A red-light-emitting fluorescent material, suitable for being excited by a first light to emit red light, is provided. The red-light-emitting fluorescent material is characterized in the chemical formula (1): A3B2C3(MO4)8:Eu3+??(1) wherein, A represents Li, Na, K, Rb, Cs or Ag; B represents Mg, Ca, Sr or Ba; C represents Y, Gd or La; M represents Mo, W or combination of Mo and W (MoxW(1-x)). The red-light-emitting fluorescent material has high luminance and good color purity. In addition, since the composition of the red-light-emitting fluorescent material is oxide, the red-light-emitting fluorescent material has advantages of good chemical stability and long lifetime.Type: ApplicationFiled: May 21, 2009Publication date: September 30, 2010Applicant: CHUNGHWA PICTURE TUBES, LTD.Inventors: Chuang-Hung Chiu, Teng-Ming Chen, Chi-Neng Mo