A display device includes a display panel, and an electrostatic capacitive type touch panel which is formed in an overlapping manner with the display panel. A plurality of X electrodes and a plurality of Y electrodes intersecting with the X electrodes. A first signal line supplies signals to the X electrodes, a second signal line supplies signals to the Y electrodes, and the first signal line and the second signal line are formed on a flexible printed circuit board. A dummy electrode is formed adjacent to an electrode portion of each X electrode and electrode portion of each Y electrode, the dummy electrode does not overlap the X electrode and the Y electrode, and the dummy electrode does not electrically connect with the first and second signal lines.

An active matrix substrate has pixel regions, and includes a substrate, pixel TFTs disposed to respectively correspond to the pixel regions, and pixel electrodes electrically connected to the pixel TFTs. The pixel TFTs are each a top gate structure TFT that has an oxide semiconductor layer, a gate insulating layer on the oxide semiconductor layer, and a gate electrode opposing the oxide semiconductor layer with the gate insulating layer therebetween. The gate insulating layer is formed of silicon oxide and includes a lower layer contacting the oxide semiconductor layer, and an upper layer on the lower layer. The lower layer H/N ratio of hydrogen atoms to nitrogen atoms in the lower layer is 1.5 to 5.0. The upper layer H/N ratio of hydrogen atoms to nitrogen atoms in the upper layer is 0.9 to 2.0. The lower layer H/N ratio is larger than the upper layer H/N ratio.

An increase in fabricating cost of a display module including a touch sensor is suppressed. A display device which includes a first substrate, a second substrate, and liquid crystal interposed between the first substrate and the second substrate includes a display portion. The display portion includes a sensor unit and a pixel. The sensor unit includes a first transistor, a first conductive film electrically connected to a gate of the first transistor, and a second conductive film. At least part of the first conductive film overlaps with at least part of the second conductive film. The pixel includes a second transistor, and a pixel electrode electrically connected to the second transistor. At least part of the pixel electrode overlaps with at least part of the first conductive film.

A pressure sensor, a manufacturing method thereof, a pressure sensing method and a display device are provided. The pressure sensor includes a first electrode, at least two supports on a first surface of the first electrode, an elastic composite electrode on a side of the supports facing away from the first electrode. Two adjacent supports of the supports, the elastic composite electrode and the first electrode define a compressible space, and the at least two supports are formed of an insulating material. The pressure sensor further comprises a second electrode on a side of the elastic composite electrode facing away from the first electrode and an organic light emitting layer between the first electrode and the second electrode, the organic light emitting layer being in contact with one of the first electrode and the second electrode. The pressure sensor has advantages of low power consumption, fast response and high sensitivity.

According to one embodiment, a display device includes a switching element, a common electrode, an insulating film covering the common electrode, a first pixel electrode electrically connected to the switching element in a first contact hole penetrating the insulating film, and a transparent conductive film electrically connected to the common electrode in a second contact hole penetrating the insulating film. The first pixel electrode and the transparent conductive film are arranged in a first direction in a same layer. A size of the first contact hole and a size of the second contact hole are different from each other in planar view.

The liquid crystal display device includes a liquid crystal panel, the liquid crystal panel including sub-pixels and including an active matrix substrate and a counter substrate, the active matrix substrate including a gate line, a first electrode, and a second electrode, the counter substrate including a third electrode, each of the sub-pixels being provided with an optical opening, the third electrode including a linear electrode extending along the gate line, a distance between the linear electrode and the optical opening being less than D/4 and a width of the linear electrode being D/4 or less, wherein a distance between two optical openings adjacent in the direction perpendicular to the extending direction of the gate line is defined as D.

The present disclosure provides a polarizer. The polarizer includes: a substrate provided with a first surface and a second surface that are opposite to each other; and a first triacetyl cellulose (TAC) film, a polyvinyl acetate (PVA) film and a second TAC film that are provided on the first surface of the substrate, where at least one of the first surface and the second surface of the substrate is further provided with a transparent conductive layer, which forms a touch electrode. The present disclosure further provides a touch-sensitive liquid crystal display (LCD) panel and module using the polarizer. The polarizer provided by the present disclosure can reduce the thicknesses of the touch-sensitive LCD panel and module, and simplify their production processes.

A liquid crystal writing device is erased by a stylus. The liquid crystal writing device includes a liquid crystal layer including cholesteric liquid crystal material. A user applies pressure to a flexible substrate that changes reflectivity of the cholesteric liquid crystal material to form images on the liquid crystal writing device. The liquid crystal layer is disposed between electrically conductive layers. Writing device terminals are electrically conductive and connected to the electrically conductive layers. The stylus includes stylus electronics adapted to apply an erase voltage or erase voltage waveform to the writing device terminals.

A portable information handling system housing integrates a display having an edge-to-edge presentation of visual images at a housing portion with an inactive portion of a display panel along a perimeter of the display having a sensor region that provides access to underlying sensors through the display. A sealant and black matrix disposed in the inactive region limits illumination that escapes from an active region and provides an aesthetically appealing edge-to-edge appearance. Openings in the sealant and black matrix at the sensor locations provides access through the display, such as with index matching resin that passes illumination and a patterned covering of the black matrix.

A touch sensing type liquid crystal display device includes an array substrate includes a first substrate, a common electrode, a pixel electrode, and a touch sensing unit; a color filter substrate including a second substrate and facing the array substrate; an anti-static layer on an outer side of the second substrate and including an organic material and a carbon nano-tube; and a liquid crystal layer between the first substrate and an inner side of the second substrate.