Patent classifications
H01L27/1237
TFT backplate structure and manufacture method thereof
A TFT backplate structure and a manufacture method thereof are provided. The TFT backplate structure includes a switch TFT (T1) and a drive TFT (T2). The switch TFT (T1) is constructed by a first source electrode/a first drain electrode (61), a first gate electrode (21), and a first etching stopper layer (51), a first semiconductor layer (41), a first gate isolation layer (31) sandwiched in between. The drive TFT (T2) is constructed by a second source electrode/a second drain electrode (62), a second gate electrode (22), and a second etching stopper layer (52), a second semiconductor layer (42), a second gate isolation layer (32) sandwiched in between. The materials or the thicknesses of the first gate isolation layer (31) and the second gate isolation layer (32) are different. Accordingly, the electrical properties of the switch TFT (T1) and the drive TFT (T2) are different.
DISPLAY DEVICE
A display device includes: a substrate; a buffer layer on the substrate; a first active pattern and a second active pattern on the buffer layer and spaced apart from each other; a first gate insulation layer on the first active pattern and the second active pattern; a first gate electrode and a second gate electrode on the first gate insulation layer, the first gate electrode and the second gate electrode respectively overlapping the first active pattern and the second active pattern; a second gate insulation layer on the first gate electrode and the second gate electrode; and a capacitor electrode on the second gate insulation layer, the capacitor electrode overlapping the first gate electrode, wherein a permittivity of the first gate insulation layer is greater than a permittivity of the buffer layer.
ARRAY SUBSTRATE, MANUFACTURING METHOD THEREOF, AND DISPLAY PANEL
The present disclosure relates to an array substrate, a manufacturing method thereof, and a display panel, the array substrate including: a substrate, and a low temperature polysilicon layer, an inorganic film group layer, and a source/drain layer disposed on the substrate in sequence. The substrate includes a display region, the low temperature polysilicon layer located at the display region, the inorganic film group layer provided with a through hole, and an angle between a sidewall and a bottom wall of the through hole is not less than 100 degrees; the source/drain layer covering the sidewall and the bottom wall of the through hole to be connected to the low temperature polysilicon layer.
ARRAY SUBSTRATE, MANUFACTURING METHOD THEREOF, AND DISPLAY PANEL
An array substrate, a manufacturing method thereof, and a display panel. The array substrate includes a light-emitting area and a non-light-emitting area. The array substrate comprises: a substrate; a gate insulating layer comprising a first gate insulating layer and a second gate insulating layer disposed on the substrate in sequence; and a storage capacitor disposed in the light-emitting area and comprising a first transparent electrode and a second transparent electrode. Wherein the first transparent electrode is disposed between the first gate insulating layer and the second gate insulating layer, and the second transparent electrode is disposed on the second gate insulating layer.
DISPLAY PANEL, GATE ELECTRODE DRIVING CIRCUIT, AND ELECTRONIC DEVICE
A display panel, a gate electrode driving circuit, and an electronic device are provided. The display panel includes a first metal layer including a first gate electrode; a second metal layer including a first source electrode, a first drain electrode, and a second gate electrode; two ends of a polycrystalline silicon semiconductor layer electrically connected to the first source electrode and the first drain electrode respectively; a third metal layer including a second source electrode and a second drain electrode; and two ends of a metal oxide semiconductor layer electrically connected to the second source electrode and the second drain electrode respectively.
ARRAY SUBSTRATE AND DISPLAY PANEL
The present invention provides an array substrate and a display panel, the array substrate comprises: a first metal layer comprising a plurality of gate routings and a plurality of common electrode routings, at least one of the plurality of common electrode routings is arranged discontinuously and comprises a plurality of common electrode spacers spaced apart from each other; a second metal layer comprising a plurality of common electrode connecting portions; and a first insulating layer provided with a plurality of first through holes, adjacent two of the plurality of common electrode spacers are electrically connected to a common electrode connecting portion through two of the plurality of first through holes.
Display device
A display device includes a polycrystalline semiconductor including a channel, a first electrode, and a second electrode of a driving transistor, a first gate insulating layer, a gate electrode of a driving transistor, a first electrode of a boost capacitor, a second gate insulating layer, a first interlayer insulating layer, an oxide semiconductor including a channel, a first electrode, and a second electrode of a second transistor, a channel, a first electrode, and a second electrode of a third transistor, and a second electrode of a boost capacitor, a third gate insulating layer disposed on the oxide semiconductor, a gate electrode of the second transistor overlapping the channel of the second transistor, a gate electrode of the third transistor overlapping the channel of the third transistor, and a second interlayer insulating layer disposed on the gate electrode of the second transistor and the gate electrode of the third transistor.
Method of preparing thin film transistor substrate
Disclosed is a method of preparing a thin film transistor substrate, a thin film transistor substrate, and a display apparatus. The method includes forming a conductive material layer, forming a hydrophobic insulation layer on the conductive material layer, forming a photoresist layer on the hydrophobic insulation layer, patterning the photoresist layer to form a photoresist pattern, removing a segment in the hydrophobic insulation layer that is not covered by the photoresist pattern to form a hydrophobic insulation pattern, and removing a segment in the conductive material layer that is not covered by the hydrophobic insulation pattern to form a conductive pattern.
Wiring structure, display substrate, display device and method for fabricating display substrate
A wiring structure includes a plurality of signal lines on the base substrate, the plurality of signal lines including a plurality of first type signal lines extending in a first direction and a second type signal line extending in a second direction crossing the first direction, the second type signal line being at first ends of the plurality of first type signal lines and spaced from the plurality of first type signal lines, and a plurality of conductive blocks, each of which is between the first ends of two corresponding adjacent signal lines of the plurality of first type signal lines. The plurality of conductive blocks are insulated from the plurality of first type signal lines and electrically connected to the second type signal line.
SEMICONDUCTOR MEMORY DEVICE
A semiconductor memory device includes: first conductive lines provided on a substrate and extending in a first direction in parallel, each of the first conductive lines including a first end portion and a second end portion that are opposite to each other, the first direction being parallel to a top surface of the substrate; first selection transistors respectively connected to the first end portions of the first conductive lines; and second selection transistors respectively connected to the second end portions of the first conductive lines. Each of the first selection transistors may have a first gate width. Each of the second selection transistors may have a second gate width smaller than the first gate width.