Patents by Inventor Lihua Wang

Lihua Wang 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: 20180233541
    Abstract: A touch display panel and a touch display apparatus are provided. The touch display panel includes: a substrate; an organic light emitting device; at least one retaining wall, the width of which is 30˜200 ?m; a thin film encapsulation layer covering the retaining wall, and a height difference between a first retaining wall and a part of the thin film encapsulation layer located between the first retaining wall and a display area is 0˜3 ?m; and electrode wires, at least a part of at least one of the electrode wires is located at least in non-display areas of the substrate, is located at a side, which is facing away from the retaining wall, of the thin film encapsulation layer, and is arranged along an extension direction of the retaining wall, and projections of the electrode wires on the substrate are located within a projection of the retaining wall on the substrate.
    Type: Application
    Filed: August 16, 2017
    Publication date: August 16, 2018
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Yang Zeng, Xingyao Zhou, Lihua Wang, Qijun Yao
  • Patent number: 10050410
    Abstract: A transistor outline (TO) package may include a TO cap. The TO package may include a TO header. The TO header may include a header stem of a first material and a first coefficient of thermal expansion (CTE) value. The TO header may include a header base of a second material and a second CTE value. The first material and the second material may be different. The first CTE value and the second CTE value may be different. The first CTE value and the second CTE value may be within a threshold percentage of each other.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: August 14, 2018
    Assignee: Lumentum Operations LLC
    Inventors: Jack Xu, Yonghong Guo, Nicolas Guerin, Lihua Wang, Yaogeng Ding
  • Publication number: 20180226454
    Abstract: A touch display panel is provided. The touch display panel includes: a substrate; a thin-film transistor array, an organic light-emitting unit and a thin-film encapsulation layer which are successively laminated on the substrate; and a touch electrode arranged at a side, which is facing away from the organic light-emitting unit, of the thin-film encapsulation layer. The touch display panel includes a display area and a non-display area surrounding the display area. The non-display area has a first dam surrounding the display area and a second dam surrounding the first dam; the non-display area includes a bonding area and border areas disposed at two sides of the bonding area; and at least in the bonding area, organic material fills a region between the first dam and the second dam and fills a region at a side close to the display area of the first dam.
    Type: Application
    Filed: July 26, 2017
    Publication date: August 9, 2018
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Conghui Liu, Heeyol Lee, Lihua Wang, Yu Cai, Quanpeng Yu, Yang Zeng, Xingyao Zhou
  • Publication number: 20180165498
    Abstract: A display panel includes an array substrate including organic light-emitting structures, and at least one fingerprint identification unit. Each organic light-emitting structure has a first side facing the array substrate, and the fingerprint identification unit is disposed in a display region on the first side of the organic light-emitting structure. The display panel also includes a plurality of spacers and a plurality of anti-crosstalk pads. When being projected onto the array substrate, the orthogonal projection of each spacer is disposed between orthogonal projections of adjacent organic light-emitting structures. Each anti-crosstalk pad is disposed between a corresponding spacer and the fingerprint identification unit. An orthogonal projection of the anti-crosstalk pad onto the array substrate include a first region overlapping with the orthogonal projection of the spacer onto the array substrate.
    Type: Application
    Filed: February 7, 2018
    Publication date: June 14, 2018
    Inventors: Liang XIE, Yang ZENG, Lihua WANG, Haochi YU
  • Publication number: 20180158877
    Abstract: Disclosed are a display panel and an electronic device. In a fingerprint recognition stage, at least one of the first and second organic light-emitting structures function as a light source of the fingerprint recognition unit; the emergent light of the at least one of the first and second organic light-emitting structures has a first spectral range, the transmission spectral range of the first color filter film is a second spectral range, and the spectral range corresponding to visible light and near-infrared light is a third spectral range. The first spectral range is located within the second spectral range which is located within the third spectral range, light from at least a part of the wave band located within the third spectral range and outside the second spectral range is absorbed or reflected by the first color filter film.
    Type: Application
    Filed: January 19, 2018
    Publication date: June 7, 2018
    Inventors: Yang ZENG, Jun MA, Qing ZHANG, Lihua WANG, Liang XIE, Hong DING, Lingxiao DU, Huiping CHAI, Kang YANG, Qijun YAO
  • Publication number: 20180137337
    Abstract: A display device, a fingerprint recognition calibration method for the display device and an electronic apparatus are disclosed. The fingerprint recognition calibration method includes: for any fingerprint recognition unit, during an initial calibration, displaying a first image by the display panel and acquiring a bright screen calibration fingerprint data by the fingerprint recognition unit and not displaying any image by the display panel and acquiring a dark screen calibration fingerprint data by the fingerprint recognition unit; during a fingerprint recognition, displaying the first image by the display panel and acquiring a bright screen fingerprint data by the fingerprint recognition unit; and performing calibration according to a calibration formula to obtain a calibrated fingerprint recognition data by the fingerprint recognition unit.
    Type: Application
    Filed: January 8, 2018
    Publication date: May 17, 2018
    Inventors: Yang ZENG, Qing ZHANG, Lihua WANG, Liang XiE, Hong DING, Lingxiao DU, Huiping CHAI, Kang YANG, Qijun YAO
  • Publication number: 20180129852
    Abstract: A display panel and an electronic device are provided. The display panel includes: an array substrate; a plurality of organic light emitting units disposed on the array substrate; at least one fingerprint identification unit located in a display region at a side close to the array substrate of the organic light emitting units. The fingerprint identification unit performs fingerprint identification according to light rays reflected on the fingerprint identification unit by a touch body. Each organic light emitting unit includes a red organic light emitting unit, a green organic light emitting unit and a blue organic light emitting unit. In a fingerprint identification phase, the red/green organic light emitting unit emits light to be a light source for the fingerprint identification unit. Compared with the blue organic light emitting unit, the red/green organic light emitting unit has a smaller transparent area towards a side opposite to a display side.
    Type: Application
    Filed: October 27, 2017
    Publication date: May 10, 2018
    Inventors: Yang ZENG, Qing ZHANG, Lihua WANG, Liang XIE, Lingxiao DU, Hong DING, Huiping CHAI, Kang YANG, Qijun YAO
  • Patent number: 9952736
    Abstract: An OLED array substrate is provided. The OLED array includes multiple sub-pixels defined by multiple data lines and multiple scan lines, and a resistance-type pressure sensing element located in non-opening regions of the sub-pixels. The pressure sensing element includes multiple resistors. Each resistor has a serpentine wire structure. The serpentine wire structure includes a first sub-wire and a second sub-wire connected to two adjacent first sub-wires. Both the first sub-wire and the second sub-wire are located in non-opening regions of the sub-pixels on the OLED array substrate. The resistance-type pressure sensing element is arranged in a display region of the OLED array substrate without influencing the display effect of a display panel or a display device. An extension direction of a projection of the first sub-wire on an array substrate intersects with extension directions of projections of the data lines and the scan lines on the array substrate.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: April 24, 2018
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yang Zeng, Xingyao Zhou, Lihua Wang, Liang Liu
  • Patent number: 9952731
    Abstract: A touch screen and a touch display electronic device are provided. The touch screen includes a substrate; and an auxiliary electrode layer, a common electrode layer and a wire layer arranged on a same side of the substrate. The common electrode layer and the wire layer are arranged opposite to each other in a direction perpendicular to the substrate. The common electrode layer includes multiple common electrode blocks having a same shape and a same area; each of the common electrode blocks includes a central electrode and sawtooth-shaped electrodes connected to the central electrode; and the sawtooth-shaped electrodes of any two adjacent common electrode blocks are fitted with each other. The wire layer includes multiple first wires connected to the multiple common electrode blocks. The auxiliary electrode layer includes multiple auxiliary electrode blocks. The sawtooth-shaped electrodes adjacent to edges of the substrate are fitted with the auxiliary electrode blocks.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: April 24, 2018
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Lihua Wang, Huiping Chai
  • Patent number: 9946349
    Abstract: A shift register, a driving method, a gate driving circuit and a display device are provided. The shift register includes a scan control module, an output module, a pull-down module, a turn-off restoring module and a touch control module. The turn-off restoring module is electronically connected to the scan control module at a first node and electronically connected to the touch control module and the output module at a second node. The turn-off restoring module controls the first node to be electrically insulated from the second node during a touch scan phase, and restores a potential of the second node to a potential at a time instant before the touch scan phase when the touch scan phase is finished. The touch control module controls the output module to output a touch scan signal to an output terminal of the shift register during the touch scan phase.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: April 17, 2018
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Lihua Wang, Conghua Ma, Jialing Li, Qijun Yao
  • Patent number: 9935425
    Abstract: A pump laser package may include an input fiber to send signal light on a first optical path. A first lens may be arranged on the first optical path. The pump laser package may include a source to send pump light on a second optical path. A second lens and a negative lens may be arranged on the second optical path. The first lens and the negative lens may be arranged to create a virtual image associated with the pump light. The pump laser package may include an output fiber on a third optical path. The first lens may be arranged on the third optical path. The pump laser package may include a combiner to receive the signal light on the first optical path, receive the pump light on the second optical path, and send the signal light and the pump light on the third optical path.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: April 3, 2018
    Assignee: Lumentum Operations LLC
    Inventors: Yonghong Guo, Jay A. Skidmore, Xia Hong, John Martinho, Huijie Xu, Lihua Wang, Yaogeng Ding, Nicolas Guerin
  • Publication number: 20180076268
    Abstract: This application provides a display panel and a display device. The display panel includes an array substrate, an encapsulation layer and a fingerprint recognition module. The array substrate includes a first substrate and a plurality of light-emitting units on the first substrate. The encapsulation layer is disposed on top of the plurality of light-emitting units. The fingerprint recognition module is disposed on the encapsulation layer and includes at least one fingerprint recognition unit. The projection of the fingerprint recognition unit onto the array substrate is located in the non-light-emitting area of the first substrate. The non-light-emitting area is located between two adjacent light-emitting units.
    Type: Application
    Filed: October 31, 2017
    Publication date: March 15, 2018
    Inventors: Lihua WANG, Yang ZENG, Qing ZHANG, Kang YANG, Lingxiao DU, Hong DING, Liang XIE, Huiping CHAI, Qijun YAO
  • Publication number: 20180068157
    Abstract: A display panel and a display apparatus are provided. The display panel includes: an organic light emitting display panel including an array substrate and organic light emitting configurations disposed on the array substrate; a fingerprint identification module arranged in a display region and arranged at a side facing away from the organic light emitting configurations of the array substrate; an angle limiting film arranged between the organic light emitting display panel and the fingerprint identification module. The fingerprint identification module includes a first substrate, at least one fingerprint identification unit for performing fingerprint identification according to light rays reflected, through a touch body, on the fingerprint identification unit.
    Type: Application
    Filed: November 14, 2017
    Publication date: March 8, 2018
    Inventors: Yang ZENG, Qing Zhang, Lihua Wang, Liang Xie, Lingxiao Du, Hong Ding, Huiping Chai, Kang Yang, Qijun Yao
  • Publication number: 20180069371
    Abstract: A transistor outline (TO) package may include a TO cap. The TO package may include a TO header. The TO header may include a header stem of a first material and a first coefficient of thermal expansion (CTE) value. The TO header may include a header base of a second material and a second CTE value. The first material and the second material may be different. The first CTE value and the second CTE value may be different. The first CTE value and the second CTE value may be within a threshold percentage of each other.
    Type: Application
    Filed: February 15, 2017
    Publication date: March 8, 2018
    Inventors: Jack XU, Yonghong GUO, Nicolas GUERIN, Lihua WANG, Yaogeng DING
  • Publication number: 20180068166
    Abstract: An array substrate, a display panel and a display device are provided. The array substrate includes a substrate; a plurality of light-emitting units, which are in the display area of the substrate and include emission colors: a first color, a second color and a third color, where a light transmittance of the first color and a light transmittance of the second color are both greater than a light transmittance of the third color; and a plurality of first fingerprint recognition units and a plurality of second fingerprint recognition units, which are in the display area of the substrate. Each light-emitting unit serves as a light source of each fingerprint recognition unit, and each first fingerprint recognition unit and each second fingerprint recognition unit have different configuration parameters so as to detect a same electric signal value with respect to a reflector.
    Type: Application
    Filed: November 14, 2017
    Publication date: March 8, 2018
    Inventors: Yang ZENG, Qing ZHANG, Lihua WANG, Liang XIE, Lingxiao DU, Hong DING, Huiping CHAI, Kang YANG, Qijun YAO
  • Publication number: 20180059862
    Abstract: A touch control display panel and a touch control display device are provided. The touch control display panel comprises a substrate including a display region and a non-display region; an organic light-emitting structure; a thin film encapsulation layer having a first side facing the substrate; a first retaining wall; first and second touch control electrodes; first and second touch control lines disposed in the non-display region; and conductive leads disposed on the first side of the thin film encapsulation layer. At least one first touch control line steps across the first retaining wall to be electrically connected to a corresponding conductive lead, and further electrically connected to a driving chip or a flexible printed circuit disposed in a first non-display region through the corresponding conductive lead. A connection region of the at least one first touch control line and the corresponding conductive lead is arranged outside the first retaining wall.
    Type: Application
    Filed: October 23, 2017
    Publication date: March 1, 2018
    Inventors: Yang ZENG, Lingxiao DU, Xingyao ZHOU, Lihua WANG, Qijun YAO, Kang YANG, Hong DING
  • Publication number: 20180053032
    Abstract: An organic light-emitting display panel and a manufacturing method thereof as well as an electronic device are provided. The organic light-emitting display panel includes: an array substrate; a photosensitive identification array including a plurality of photosensitive identification devices; and a photosensitive detection circuit including a common voltage input layer and a photosensitive detection switch. The photosensitive detection switch includes a drain metal layer, a first electrode of the photosensitive identification device is electrically connected with a drain metal layer of an associated photosensitive detection circuit and a second electrode thereof is electrically connected with the common voltage input layer of the associated photosensitive detection circuit.
    Type: Application
    Filed: October 23, 2017
    Publication date: February 22, 2018
    Inventors: Hong DING, Kang YANG, Lingxiao DU, Yang ZENG, Lihua WANG, Qijun YAO
  • Publication number: 20180046301
    Abstract: A touch display apparatus with a display region and a frame region is provided. The touch display apparatus includes a base substrate, a display function layer and a thin film encapsulation layer which are sequentially stacked. The display function layer is located in the display region. A touch electrode layer is arranged at a side, facing away from the base substrate, of the display function layer. The frame region includes a slope region adjacent to the display region. The thickness of the touch display apparatus in the slope region is gradually decreased outward from the display region. The touch electrode layer includes touch electrodes which form a grid of metallic wires. The grid density of the touch electrodes in the slope region is higher than that in the display region.
    Type: Application
    Filed: October 23, 2017
    Publication date: February 15, 2018
    Inventors: Xingyao ZHOU, Lihua WANG, Qijun YAO, Yang ZENG
  • Publication number: 20180040675
    Abstract: Embodiments of the present disclosure provide a display apparatus, a fingerprint identification method thereof, and an electronic device. The display apparatus includes: an organic light emitting layer and a fingerprint identification array. The organic light emitting layer includes a plurality of organic light emitting configurations. In a fingerprint identification phase, the plurality of organic light emitting configurations are arranged to emit light according to a first light emitting lattice and shift. A distance between any two adjacent organic light emitting configurations in the first light emitting lattice is greater than or equal to a minimum crosstalk-free distance. The minimum crosstalk-free distance is a maximum radius of a covering region formed on the fingerprint identification array by the light emitted from any organic light emitting configuration and then reflected through the first surface of the cover plate.
    Type: Application
    Filed: October 18, 2017
    Publication date: February 8, 2018
    Inventors: Yang ZENG, Qing Zhang, Lihua Wang, Liang Xie, Lingxiao Du, Hong Ding, Huiping Chai, Kang Yang, Qijun Yao
  • Publication number: 20180040673
    Abstract: Disclosed are an organic light-emitting display panel and an electronic device.
    Type: Application
    Filed: October 17, 2017
    Publication date: February 8, 2018
    Applicant: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yang ZENG, Qing ZHANG, Lihua WANG, Liang LIU, Feng LU, Shaolong MA, Qijun YAO