Abstract: A TFT array substrate is disclosed. The substrate includes a TFT having a gate insulation layer, and an active layer partly thereon. The TFT also has a first part of an etch barrier layer on the active layer, and a source and drain on the first part of the etch barrier layer. The substrate also includes a capacitance having a first electrode plate, a second part of the gate insulation layer on the first electrode plate, a second part of the etch barrier layer on the second part of the gate insulation layer, and a second electrode plate on the second part of the etch barrier layer. The second part of the etch barrier layer has a thickness less than the first part of the etch barrier layer, and/or there is no etch barrier layer between the second part of the gate insulation layer and the second electrode plate.

Abstract: A TFT-driven display device includes an upper substrate and a lower substrate facing each other, multiple TFTs disposed on a side of the lower substrate facing the upper substrate, and a metal layer disposed on a side of the upper substrate facing to the lower substrate. The metal layer includes a portion that does not overlap with the active layer of the TFTs in a light transmission direction, or the metal layer includes portions overlapping with the active layer of the TFTs in the light transmission direction, the overlapping portions have a pattern width less than a pattern width of other portions that do not overlap with the active layer. In the TFT-driven display device, a photo leakage current caused by the light reflected by the metal may be reduced, because no portion of the metal layer is provided in the position opposed to the active layer of the TFTs located on a TFT array substrate.

Abstract: An OLED display device includes multiple pixel units arranged in a matrix and a power supply driver chip located at one side of the multiple pixel units. The power supply driver chip is configured to supply input voltages to the multiple pixel units. The power supply driver chip provides the input voltages to the multiple pixel units through a plurality of input paths. The input paths are associated with input points, each of the input points corresponds to a pixel unit at a different location. The power supply driver chip compensates the input voltages to ensure that all of the pixel units at different locations may have an approximately equal input voltage, enabling the entire display region of the OLED display device to display with a uniform brightness and improving the display performance.

Abstract: A test device for a liquid crystal display device includes a first shorting bar, a first, a second and a third control line, transmission lines and thin film transistor switch elements; in which the gate electrodes of thin film transistor switch element are respectively arranged on the first, the second and the third control line; the data lines are respectively connected to the first, the second and the third control line via the drain electrodes of thin film transistor switch elements, in which data lines for controlling the blue pixel units are connected to the first control line, data lines for controlling the red pixel units are connected to the second control line, data lines for controlling the green pixel units are connected to the third control line; and the source electrodes of multiple thin film transistor switch elements are connected to the first shorting bar via multiple transmission lines.

Abstract: An in-cell touch panel is disclosed. The in-cell touch panel includes an array substrate, and a plurality of signal lines arranged at one side of the array substrate. Each signal line includes a transient lead and includes one of a display pin and a touch pin connected to the transient lead. The in-cell touch panel also includes an insulating layer covering the transient lead, and a first wire formed on the insulating layer of at least one transient lead, where the first wire is electrically connected with the transient lead via a first through-hole in the insulating layer.

Abstract: An array substrate includes a plurality of pixel units, each of the pixel units includes a pixel electrode and a common electrode that are insulated from each other, and a conductive layer that is electrically connected in parallel to the common electrode. A double-layer metal layer is deposited on the common electrode at an opaque region of the pixel electrode to form a ring structure around a transparent region of the pixel electrode, thus reducing the resistances of the common electrodes. The ring structure can be U-shaped, half-ring shaped, or full-ring shaped.

Abstract: An outdoor readable liquid crystal display device (200) includes a liquid crystal panel (210), a backlight device (220) and a light source control device. The backlight device (220) includes a plurality of red light emitting diodes (220r), green light emitting diodes (220g) and blue light emitting diodes (220b). The light source control device is used to adjust the backlight device (220) based on the light intensity of ambient light. When the light intensity of ambient light is lower than a predetermined light intensity of the liquid crystal display device (200), the red light emitting diodes (220r), the green light emitting diodes (220g) and the blue light emitting diodes (220b) of the backlight device (220) are sequentially energized to emit lights at a predetermined time lag.

Abstract: A touch display device, a touch display panel, and a touch screen are disclosed. The touch screen includes a touch structure layer disposed on the substrate, where the touch structure layer includes a plurality of transparent conductive patterns. The touch screen also includes an anti-reflective pattern covering at least an edge of the transparent conductive patterns. The touch display panel includes the touch screen and the touch display device includes the touch display panel.

Abstract: The present invention provides a mutual capacitive touch panel, including: a plurality of driving lines; a plurality of sensing lines intersecting with the plurality of driving lines; a signal output unit disposed at input ends of the driving lines is configured to output driving signals with different frequencies to all the driving lines; a preamplifier disposed at output ends of the sensing lines is configured to capture sensing signals from the sensing lines, and amplify and then output the sensing signals to a signal separation unit; the signal separation unit connected to the preamplifier is configured to separate the sensing signals with different frequencies and obtain addresses of the driving lines corresponding to the sensing signals. In the present invention, driving signals with different frequencies are outputted by the signal output unit to all the driving lines, respectively.

Abstract: An In-cell touch screen and a method for driving the same includes: concurrently providing a plurality of gate drive signals to the plurality of gate lines line by line and a plurality of touch drive signals to the plurality of drive lines line by line, collecting original touch signals from the plurality of sensing lines line by line; when collecting is performed on a sensing line and any gate line covered by the sensing line is supplied with a gate drive signal, defining the original touch signals collected from a sensing line as interference signals; and removing the interference signals from the original touch signals to obtain a valid touch signal.

Abstract: A method of electrically testing an in-cell touch screen is disclosed. The in-cell touch screen includes a display electrode, a driving line, and a detecting line. The detecting line intersects the driving line. The method includes floating the display electrode and performing at least one of: A) applying a first predetermined voltage to one column of adjacent columns of the driving line or one row of adjacent rows of the driving line, and grounding the other column of the adjacent columns or the other row of the adjacent rows, and B) applying a second predetermined voltage to one column of adjacent columns of the detecting line or one row of adjacent rows of the detecting line, and grounding the other column of the adjacent columns or the other row of the adjacent rows. The method also includes determining whether the driving line or the detecting line is shorted or opened.

Abstract: A liquid crystal display having an embedded touch panel is disclosed. The display includes a color filter substrate, an array substrate, a liquid crystal molecule layer between the color filter substrate and the array substrate, and a touch panel integrated with the color filter substrate. A plurality of first transfer pads are arranged on the color filter substrate and a plurality of second transfer pads are arranged on the array substrate, where locations of the first transfer pads correspond to locations of the second transfer pads. The first transfer pads are electrically connected with the second transfer pads, and the first and second transfer pads are used to transmit a touch control signal to the touch panel.

Abstract: A touch panel, which includes a plurality of signal input ends and a plurality of signal output ends, where the touch panel further includes at least one signal detecting unit which includes: a signal inputting unit, a preamplifier, and a signal separating unit; where the signal inputting unit is configured to input driving signals respectively having n frequencies, where n is an integer not less than 2; the preamplifier is configured to acquire the output signals outputted from the touch panel, and amplify and output the signals to the signal separating unit; the signal separating unit, which includes n band-pass filters, is configured to separate the signals respectively having n frequencies. In the touch panels according to embodiments of the present invention, the blind zone of the touch panel can be decreased or even eliminated, thus enlarging the detectable region and greatly improving the detection sensitivity of the touch panel.

Abstract: An array substrate and a touch screen adopt a horizontal electric field driving mode. The array substrate with the horizontal electric field driving mode comprises a substrate, a plurality of common electrode lines formed on the substrate, and a plurality of gate lines formed on the substrate and a plurality of data lines intersecting the gate lines. The common electrode lines function as sensing electrodes or driving electrodes and the data lines or the gate lines function as the driving electrodes or the sensing electrodes during a touch period. The touch screen with the horizontal electric field driving mode can reduce the number of manufacturing processes, lower the production cost, and meanwhile, reduce the touch noise caused by a liquid crystal layer, thereby increasing the touch sensitivity efficiently.

Abstract: The present invention provides a touch panel and a touch display device, the touch panel includes: a transparent substrate; a conductive layer disposed on the transparent substrate, where the conductive layer includes a plurality of first conductive patterns and a plurality of second conductive patterns intersecting with the plurality of first conductive patterns, and each of the second conductive patterns is separated into multiple segments by the plurality of first conductive patterns; a color resistance insulating layer disposed on the conductive layer, where the color resistance insulating layer includes a plurality of through-holes; and a metal bridging layer disposed on the color resistance insulating layer, where the multiple segments of the second conductive pattern are connected together by the metal bridging layer via the through-holes.

Abstract: An OLED package structure includes: a substrate, on which an organic light-emitting element is provided, and a cover plate having an annular groove surrounding the organic light-emitting element thereon. A packaging adhesive, partly inside the groove and partly outside the groove, adheres the cover plate to the substrate to seal the organic light-emitting element. In the OLED package structure according to the present invention, the thickness of the spacer can be smaller, so as to eliminate color mixture during an evaporation process and to prevent a Newton ring phenomenon in the OLED package structure.

Abstract: An in-cell touch display device is disclosed. The device includes a color filter substrate, a Thin Film Transistor array substrate, and a liquid crystal layer disposed between the color filter substrate and the Thin Film Transistor array substrate. The color filter substrate includes a grid black matrix layer, a touch layer, and a color filter layer, where the touch layer includes a plurality of metal grid electrodes. In addition, each electrode is aligned with the grid of the black matrix layer in a light transmission direction, and a density of the metal grid electrodes adjacent to the edge of the metal grid electrodes is greater than a density of the metal grid electrodes adjacent to the center of metal grid electrodes.

Abstract: The invention discloses a touch control display panel and a touch control display apparatus, where the touch control display panel includes a TFT array substrate and a color film substrate arranged in opposition; the TFT array substrate includes a pixel array and a touch control dual-gate TFT array; and when there is a touch control occurring, an electrically conductive post at a press location approaches the touch control dual-gate TFT along with a press, and a channel current of the touch control dual-gate TFT can be modulated by a current generated by the electrically conductive post. There will be no interference with a display per se in operation of the touch control, and no adverse influence imposed on the arrangement of liquid crystals in the liquid crystal display panel. The process of preparing the pixel array can be compatible with that of the touch control dual-gate TFTs, greatly lowering cost.

Abstract: A thin film transistor array substrate includes a substrate, a plurality of pixel elements arranged on the substrate, each of the pixel elements including a thin film transistor and a pixel electrode electrically connected with the thin film transistor, a light shielding electrode disposed between the substrate and the thin film transistor to shield a channel of the thin film transistor, and a storage capacitor including a first electrode and a second electrode disposed opposite to each other. The light shielding electrode includes a transparent electrically-conductive layer and a non-transparent electrically-conductive layer stacked on top of each other. The first electrode of the storage capacitor is disposed in a same layer and of a same material as the transparent electrically-conductive layer of the light shielding electrode.

Abstract: A liquid crystal panel includes a TFT (Thin Film Transistor) substrate, a CF (Color Filter) substrate and liquid crystal layer arranged between the TFT substrate and the CF substrate. The liquid crystal panel includes a display area and a non-display area, the non-display area surrounds the display area, a sealing material coating area is arranged in the non-display area, and a sealing material is arranged in the sealing material coating area to seal the liquid crystal layer between the TFT substrate and the CF substrate. A first black matrix is arranged inside the CF substrate in the non-display area, devices including a metal layer are arranged inside the TFT substrate in the non-display area, and voids are arranged in the first black matrix of the CF substrate corresponding to at least a part of the devices including the metal layer.