H01L29/66765

Array substrate, method for manufacturing the same, and display device

The present disclosure relates to an array substrate and a method for manufacturing the array substrate. The array substrate includes a substrate having a display region and a peripheral region surrounding the display region, the display region including sub-pixels arranged in an array, and a plurality of thin film transistors located on the substrate, including a plurality of first thin film transistors located within the peripheral region and a second thin film transistor located within each sub-pixel of the display region, wherein there is a first distance in a row and/or column direction between first active layers of the first thin film transistors and second active layers of nearest neighbor second thin film transistors, and there is a second distance in a row and/or column direction between adjacent second active layers, wherein the first distance is substantially equal to the second distance.

SELF-ALIGNED LINES AND METHODS FOR FABRICATING THE SAME

A disclosed method of fabricating a semiconductor structure includes forming a first conductive pattern over a substrate, with the first conductive pattern including a first conductive line and a second conductive line. A barrier layer may be conformally formed over the first conductive line and the second conductive line of the first conductive pattern. An insulating layer may be formed over the barrier layer. The insulating layer may be patterned to form openings between conductive lines of the first conductive pattern a second conductive pattern may be formed in the openings. The second conductive pattern may include a third conductive line is physically separated from the first conductive pattern by the barrier layer. The presence of the barrier layer reduces the risk of a short circuit forming between the first and second conductive patterns. In this sense, the second conductive pattern may be self-aligned relative to the first conductive pattern.

Bottom-gate TFT including gate sidewall spacers formed to relax the local electric field concentration
11637128 · 2023-04-25 · ·

Provided is a thin film transistor, including: a base that includes, on an upper surface, a first region and a second region; a gate electrode that is provided on the first region of the base; a gate insulating film that is provided on a surface of the gate electrode and the second region of the base; and a semiconductor layer that is provided on a surface of the gate insulating film, wherein the semiconductor layer includes a third region and a fourth region, in the third region, the semiconductor layer and the gate electrode face with a minimum interval, in the fourth region, a distance from the semiconductor layer to the gate electrode is larger than the minimum interval, and at a boundary position between the third region and the fourth region, the semiconductor layer forms a linear shape or a substantially linear shape.

ARRAY SUBSTRATE AND MANUFACTURING METHOD THEREOF

The present disclosure provides an array substrate and a manufacturing method of the array substrate. In the manufacturing method of the array substrate, during performing a first wet etching and a second wet etching on a second metal layer, the wet etching is stopped when a copper conductive layer is merely etched completely. Because a wet etching speed of a liner layer is slow, an etching time of the wet etching and a CD loss of the copper conductive layer can be greatly reduced, and the CD loss is relatively small. Meanwhile, an entire CD loss of the second metal layer can be reduced, and an aperture ratio can be improved.

Manufacturing method of array substrate using dry etching processing and wet etching processing, array substrate and display device

A manufacturing method of an array substrate, an array substrate and a display device are disclosed. The manufacturing method of the array substrate includes: providing a base substrate (200); forming a semiconductor layer on the base substrate; depositing an etch stop layer material on the semiconductor layer; subjecting the etch stop layer material to a wet etching process to form an etch stop layer; subjecting the semiconductor layer to a dry etching process to form an active layer, wherein the active layer includes a first region and a second region surrounding the first region, an orthographic projection of the etch stop layer on the base substrate completely coincides with an orthographic projection of the first region of the active layer on the base substrate.

Active switch, manufacturing method thereof and display device
11469329 · 2022-10-11 · ·

The present application relates to an active switch, a manufacturing method thereof and a display device. The manufacturing method of the active switch includes: sequentially forming a gate electrode, a gate insulating layer, an active layer, a semiconductor composite layer and a source electrode and a drain electrode on a substrate. The semiconductor composite layer includes a first N-type heavily doped amorphous silicon layer, a first N-type lightly doped amorphous silicon layer, a second N-type heavily doped amorphous silicon layer and a second N-type lightly doped amorphous silicon layer which are sequentially stacked, where the ion doping concentration of the first N-type heavily doped amorphous silicon layer is lower than that of the second N-type heavily doped amorphous silicon layer, and the ion doping concentration of the first N-type lightly doped amorphous silicon layer is higher than that of the second N-type lightly doped amorphous silicon layer.

Display device having an electrostatic protecting component overlapped by a shielding layer
11624959 · 2023-04-11 · ·

A display device includes an array substrate, a second substrate and a black matrix. The array substrate includes a first substrate, at least one electrostatic protecting component and a shielding layer. The first substrate has a display region and a peripheral region located outside the display region. The electrostatic protecting component is disposed on the first substrate in the peripheral region, and the electrostatic protecting component includes a semiconductor layer. The shielding layer includes an insulating material, and the shielding layer is disposed on the first substrate in the peripheral region, wherein the shielding layer overlaps the semiconductor layer. The second substrate is opposite to the first substrate. The black matrix is disposed between the second substrate and the first substrate. The shielding layer is disposed between the black matrix and the first substrate.

Dual-layer channel transistor and methods of forming same

A transistor device and method of making the same, the transistor device including: a substrate; a word line disposed on the substrate; a gate insulating layer disposed on the word line; a dual-layer semiconductor channel including: a first channel layer disposed on the gate insulating layer; and a second channel layer disposed on the first channel layer, such that the second channel layer contacts side and top surfaces of the first channel layer; and source and drain electrodes electrically coupled to the second channel layer. When a voltage is applied to the word line, the first channel layer has a first electrical resistance and the second channel layer has a second electrical resistance that is different from the first electrical resistance.

Array Substrate and Manufacturing Method Thereof, Display Panel and Display Device

A method for manufacturing an array substrate, including: forming a plurality of first metal layer patterns on a base substrate which are independent from each other, each of the plurality of first metal layer patterns including an end at a non-display region of the array substrate; forming an insulating layer on the plurality of first metal layer patterns; and forming a semiconductor pattern on the insulating layer, a portion of semiconductor pattern is disposed directly opposite to the end of the first metal layer patterns.

THIN FILM TRANSISTOR ARRAY PANEL AND MANUFACTURING METHOD THEREOF
20170373091 · 2017-12-28 ·

A thin film transistor array panel according to an exemplary embodiment of the present invention includes: a substrate; a gate electrode on the substrate; a gate insulating layer on the gate electrode; a semiconductor member including a channel region overlapping the gate electrode with the gate insulating layer interposed therebetween, and a source region and a drain region that face each other with the channel region interposed therebetween; an interlayer insulating layer on the semiconductor member; a data conductor on the interlayer insulating layer; and a passivation layer on the data conductor, wherein the interlayer insulating layer has a first hole on the channel region.