Boe Technology Group Co., Ltd.

Chengdu Boe Optoelectronics Technology Co., Ltd.

Xiaomei Huang

Fan Li

Youqiang Lu

Benyin Ye

Jing Wang

Xiaojing Qi

Yun Qiu

Zhidong Wang

Hongwei Li

Tianma Li

The present application discloses a fingerprint identification device, a driving method thereof, a display panel and a display apparatus. The fingerprint identification device comprises a plurality of fingerprint identification units arranged in a matrix, a signal input line for loading a detection signal and a signal reading line for reading an identification signal which are in one-to-one correspondence with each column of fingerprint identification units. Each fingerprint identification unit comprises a fingerprint identification electrode, a first switch unit and a second switch unit connected to the signal input line respectively. The first switch unit is used for controlling an electrical conduction between the fingerprint identification electrode and the signal input line, the second switch unit is used for controlling an electrical conduction between the fingerprint identification electrode and the signal reading line.

Fingerprint identification device, driving method thereof, display panel and display apparatus

A touch grating cell and a touch stereoscopic display device are provided. The touch grating cell comprises: a first substrate () and a second substrate () arranged opposite to each other; a liquid crystal layer () arranged between the first substrate () and the second substrate (); a first transparent electrode structure (), arranged on the first substrate (); and a second transparent electrode structure (), arranged on the second substrate (), wherein each of the first transparent electrode structure () and the second transparent electrode structure () includes a plurality of multiplex electrodes (); in a touch period, the multiplex electrode () in the first transparent electrode structure () and the multiplex electrode () in the second transparent electrode structure () are used as a touch driving electrode and a touch sensing electrode, respectively, and are perpendicular to each other in extending directions; and in a display period, the multiplex electrode () in the first transparent electrode structure () and the multiplex electrode () in the second transparent electrode structure () are used as a common electrode and a grating electrode, respectively. Because a touch function is integrated in the grating cell, the grating electrode and the common electrode are shared with the touch driving electrode and the touch sensing electrode, respectively, so that a production process is reduced, cost is saved, and a purpose of thinning is achieved.

Touch grating cell and touch stereoscopic display device

Embodiments of the present invention disclose a parallax barrier, a designing method thereof and a parallax barrier type 3D display device. The parallax barrier comprises: a plurality of grating sheets, utilized to shield light, disposed in an arrangement direction and spaced apart from each other, wherein the plurality of grating sheets are divided into 2K identical grating sections each of which comprises two or more grating segments, each grating segment comprises one or more grating sheets with an identical grating pitch C, and the grating sheets included in different grating segments have different grating pitches, and the 2K grating sections are arranged symmetrically about a center line of the parallax barrier in the arrangement direction, and K is a natural number.

Parallax barrier, designing method thereof and parallax barrier type 3D display device

A 3D grating box, a color filter substrate and a display device are disclosed. The 3D grating box comprises: a photoelectric conversion device for converting optical energy into electric energy; a transparent electrode electronically connected to a first side of the photoelectric conversion device; a grating electrode electronically connected to a second side of the photoelectric conversion device opposite to the first side, the grating electrode comprises a plurality of opaque strip conductors that are arranged side by side at intervals; a storage battery having a first end electronically connected to the transparent electrode and a second end electronically connected to the grating electrode; and a substrate, the grating electrode being arranged on one side of the substrate. The 3D grating box combines the 3D display with the solar cell effectively, simplifying the manufacturing process.

3D grating box and the manufacturing method thereof, color filter substrate and display device

There are provided a slit grating and a display device. The passive slit grating according to embodiments of the invention comprises a plurality of grating structures. Each of the grating structures is symmetric about its axial line in a length direction, and an edge in the length direction for each of the grating structures has a non-linear shape. Among adjacent edges of any two of the grating structures that are adjacent, the position of a protrusion at one edge corresponds to the position of a recess at another edge.

Slit grating and display device

Embodiments of the present invention relate to a display device, and the display device, comprising: a display panel, comprising a display region and a peripheral region around the display region; and an optical module, disposed on a light-exiting side of the display panel, the optical module configured to shift light emitted from the display panel towards edges of the display panel so as to make a part of the light shift into the peripheral region and emit from the peripheral region.

Display device

The present invention discloses array substrate, display device and method for controlling refresh rate of an array substrate. The array substrate includes; a plurality of pixel structures each including gate line, data line, common electrode line, first switching element at intersection of the gate line and the data line, pixel electrode, second switching element, and first transparent electrode. Gate, source and drain of the first switching element are connected to the gate line, the date line and the pixel electrode, respectively. Gate, source and drain of the second switching element are connected to second switching controlling line, common electrode signal terminal and the first transparent electrode, respectively. A first storage capacitance is formed between the pixel electrode and the common electrode line and/or between the pixel electrode and the gate line, and a second storage capacitance is formed between the pixel electrode and the first transparent electrode.

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Beijing, China

Xiaomei Huang