A touch screen panel using a thin film transistor (TFT) photodetector includes a touch panel including a plurality of unit patterns for sensing light reflected by a touch by using a TFT photodetector including an active layer formed of amorphous silicon or polycrystalline silicon on an amorphous transparent material, and a controller configured to scan the plurality of unit patterns and read touch coordinates as a result of the scanning.

An interior rearview mirror assembly includes a mounting structure configured for mounting at an interior portion of a vehicle. A distal end portion of the mounting arm is at an angle relative to a proximal end portion of the mounting arm at the interior portion of the vehicle. An attaching element is fixedly disposed at the distal end portion. A mirror housing includes an aperture, and the mounting arm of the mounting structure passes through the aperture without making contact with the mirror housing. A reflective element is attached at an attachment plate disposed within the mirror housing. A motorized actuator is mounted at the attachment plate at the reflective element or at the attaching element at the distal end portion of the mounting arm. The motorized actuator is electrically operable to adjust the reflective element and the mirror housing together and in tandem relative to the mounting structure.

According to one embodiment, a display system includes an external light sensor, a display panel, a viewing angle control panel including a liquid crystal layer containing liquid crystal molecules twist-aligned, configured such that a drive voltage applied to the liquid crystal layer is controlled based on an external light intensity detected by the external light sensor, and a polarization axis rotation element disposed between the viewing angle control panel and the display panel. The drive voltage when the external light intensity is less than a threshold value is greater than the drive voltage when the external light intensity is greater or equal to than the threshold value.

An electronic device includes a first substrate, a second substrate, a buffer layer, an active array, a pixel array, a protection layer and an alignment film. The first substrate includes a transmission region, a display region, and a periphery region. The periphery region surrounds the display region, and the display region surrounds the transmission region. The first substrate is disposed opposite to the second substrate. The buffer layer is disposed on the second substrate. The protection layer is disposed on the buffer layer, and a projection of the protection layer on the second substrate is apart from the transmission region. The active array is disposed on the buffer layer. The pixel array is disposed on the active array and is electrically connected to the active array. The alignment film is conformally disposed on the protection layer, the buffer layer, and the second substrate.

A display device is described that includes an optical member such as a camera. According to an exemplary embodiment, the display device includes: a substrate that overlaps a light transmission area, a display area that surrounds the light transmission area, and a boundary area that is disposed between the light transmission area and the display area; a first light blocking member that is disposed on the substrate and overlaps the boundary area; a window that overlaps the substrate; and a second light blocking member that is disposed between the first light blocking member and the window, and overlaps the boundary area, wherein the first light blocking member includes a first opening that overlaps the light transmission area, the second light blocking member includes a second opening that overlaps the light transmission area, and a diameter of the first opening is larger than a diameter of the second opening.

Systems and methods for optical imaging are disclosed. An optical sensor for imaging a biometric input object on a sensing region includes a transparent layer having a first side and a second side opposite the first side; a set of apertures disposed above the first side of the transparent layer; a first set of reflective surfaces disposed below the second side of the transparent layer configured to receive light transmitted through the first set of apertures and to reflect the received light; a second set of reflective surfaces disposed above the first side of the transparent layer configured to receive the light reflected from the first set of reflective surfaces and to further reflect the light; and a plurality of detector elements positioned to receive the further reflected light from the second set of reflective surfaces.

A photodetection film includes at least one lower photodiode and upper photodiode layered members. The at least one lower photodiode layered member includes lower first-type, intrinsic and second-type semiconductor layers. The at least one upper photodiode layered member is disposed on the at least one lower photodiode layered member and includes upper first-type, intrinsic and second-type semiconductor layers. The upper intrinsic semiconductor layer has an amorphous silicon structure. The lower intrinsic semiconductor layer has a structure selected from one of a microcrystalline silicon structure, a microcrystalline silicon-germanium structure, and a non-crystalline silicon-germanium structure.

A display device is provided. The display device includes a first substrate, a second substrate, a patterned electrode, a switch unit, and a liquid-crystal layer doped with a chiral dopant. The second substrate is disposed corresponding to the first substrate, and the patterned electrode is disposed on the first substrate or the second substrate. The switch unit is disposed adjacent to the patterned electrode. The liquid-crystal layer doped with the chiral dopant is disposed between the first substrate and the second substrate. In addition, an edge of the patterned electrode that is closest to the switch unit has an open area and a closed area, wherein the open area is adjacent to the closed area, and the patterned electrode extends a connecting portion out from the closed area and the connecting portion is connected to the switch unit.

An electronic device has pixels that form an active area of a display for displaying images for a user. A layer of black ink or other opaque material may be formed on an inner surface of a display cover layer in an inactive area of the display that does not overlap pixels. The housing may have sidewalls such as a rear housing wall that faces away from the display. Ambient light sensor windows may be formed from tapered holes or other holes. The tapered holes may be formed in the opaque material on the display cover layer, may be formed in a rear housing wall or other hosing structure, or may be formed in other portions of the electronic device. Non-tapered holes may also form windows. Tapered holes may have sidewalls with portions that run parallel to their longitudinal axes and portions that are angled relative to their longitudinal axes.

Disclosed are a display panel and a display apparatus. The display panel includes an opposing substrate, an array substrate and a liquid crystal layer. The array substrate includes: a first base substrate; a color film layer, includes a black matrix and a plurality of color resistors, the black matrix includes a plurality of pixel openings and a plurality of first light transmitting holes, and color resistors is arranged one pixel opening correspondingly; and photosensitive sensors, arranged between the color film layer and the first base substrate, orthographic projections of the plurality of photosensitive sensors on the first base substrate are in an orthographic projection of the black matrix on the first base substrate, and the orthographic projection of each of the plurality of photosensitive sensors on the first base substrate covers an orthographic projection of at least one the plurality of first light transmitting holes on the first base substrate.