A display device may include the following elements: a substrate; a light blocking layer disposed on the substrate; a first insulating layer disposed on the light blocking layer; a transistor including a source or drain electrode having an extension that overlaps each of the first insulating layer and the light blocking layer; a second insulating layer disposed on the extension; and a pixel electrode disposed on the second insulating layer. The first insulating layer and the second insulating layer may include a contact hole that exposes a portion of the light blocking layer and exposes a portion of the extension. The pixel electrode may directly contact each of the portion of the extension and the portion of the light blocking layer.

According to one embodiment, a semiconductor device includes an insulating substrate, a first metal layer on the insulating substrate, a first insulating layer on the insulating substrate and the first metal layer, a semiconductor layer on the first insulating layer, a second insulating layer on the semiconductor layer and the first insulating layer, a second metal layer on the second insulating layer, and a first electrode and a second electrode which are electrically connected to the semiconductor layer. The first metal layer overlaps the second metal layer. A third metal layer contacts a top surface of the second metal layer and a top surface of the first metal layer.

A mask is provided in embodiments of the disclosure, at least including: a first light transmission area provided with a first optical filter film; and a second light transmission area provided with a second optical filter film; the first optical filter film and the second optical filter film comprise respective materials through which light of different frequency ranges is optically filtered, respectively. A method for manufacturing a mask, a lithography method, a display panel, a display device, and an exposure device are further provided in embodiments of the disclosure.

A display panel includes a first substrate and a second substrate. The first substrate includes a plurality of pixel electrodes to which pixel voltages are applied and a shield electrode disposed between the pixel electrodes. A shield voltage is applied to the shield electrode. The second substrate faces the first substrate. The second substrate includes a common electrode to which a common voltage is applied.

A counter substrate for a liquid crystal device is provided and includes an insulating substrate having a first surface and a second surface facing to the first surface, a first light shielding layer extending in a first direction and a second light shielding layer extending in a second direction crossing the first direction at the first surface side, wherein the first light shielding layer and the second light shielding layer are layered while contacting each other at a crossing part, the first light shielding layer contacts the first surface, and the second light shielding layer contacts the first surface in the part other than the crossing part.

The application discloses a touch display device, including a liquid crystal display panel, a touch electrode, and a backlight module on a light incident side of the liquid crystal display panel. The backlight module includes a metal back plate. The touch display device further includes a shielding electrode on a side of the touch electrodes facing the backlight module, both the shielding electrode and the metal back plate are grounded. The touch electrode and the shielding electrode form a capacitor, and the product of a capacitance value of the capacitor and a resistance value of the shielding electrode is smaller than a pulse width of touch signals applied to the touch electrodes.

A pixel structure includes a data line, a scan line, a common signal line, a first switching element, a second switching element, a first pixel electrode, and a second pixel electrode. The first switching element is electrically connected to the scan line and the data line. The second switching element is electrically connected to the scan line and the common signal line. The first pixel electrode is electrically connected to the first switching element. The second pixel electrode is electrically connected to the second switching element. The second pixel electrode surrounds the first pixel electrode.

A display apparatus includes a light unit to emit blue light, a first base substrate disposed on the light unit, a gate pattern disposed on the first base substrate and including a gate electrode, a first inorganic insulation layer disposed on the gate pattern, a data pattern disposed on the first inorganic insulation layer and including a drain electrode, a light blocking pattern disposed on the first inorganic insulation layer, a second inorganic insulation layer disposed on the data pattern and the first inorganic insulation layer, a pixel electrode disposed on the second inorganic insulation layer, and electrically connected to the drain electrode, a color conversion pattern overlapping the pixel electrode and including a quantum dot or phosphor, and a thin film transistor disposed on the first base substrate, wherein the light blocking pattern overlaps the thin film transistor, and the light blocking pattern is disposed on the first base substrate.

A circuit substrate includes a substrate, an active device, a first signal line, a second signal line, a shielding electrode, a data line, a pixel electrode, and a common electrode. The first signal line is electrically connected to the active device, and includes a main portion and a connection portion connected to the main portion. The main portion extends along a first direction. The second signal line extends along a second direction. The second signal line is electrically connected to the connection portion. The shielding electrode overlaps the connection portion in a normal direction of the substrate. The shielding electrode and the second signal line belong to a same conductive layer. The data line is electrically connected to the active device. The common electrode is electrically connected to the shielding electrode.

According to one embodiment, a display device comprises image signal lines, scanning signal lines, pixels, a display area, pixel electrodes, and common electrodes. The common electrodes are configured to detect an object and to display an image in the display area. The common electrodes include first and second common electrodes which are arranged in a first direction. A first slit is provided between the first and second common electrodes. The first and second common electrodes are supplied a signal different from each other. A second slit is provided in the first common electrode. Each of the first slit and the second slit overlaps one of the image signal lines and extends in an extension direction in which the image signal line extends.