H01L29/78675

Semiconductor device and fabrication method thereof

A p channel TFT of a driving circuit has a single drain structure and its n channel TFT, an LDD structure. A pixel TFT has the LDD structure. A pixel electrode disposed in a pixel unit is connected to the pixel TFT through a hole bored in at least a protective insulation film formed of an inorganic insulating material and formed above a gate electrode of the pixel TFT, and in an inter-layer insulation film disposed on the insulation film in close contact therewith. These process steps use 6 to 8 photo-masks.

ARRAY SUBSTRATE AND FABRICATION METHOD, DISPLAY PANEL, AND DISPLAY DEVICE

The present disclosure provides an array substrate, including a substrate, a first functional layer configured on one side of the substrate, a first insulating layer configured on the first functional layer facing away from the substrate, a second functional layer configured on the first insulating layer facing away from the substrate, a second insulating layer configured on the second functional layer facing away from the substrate, a third functional layer configured on the second insulating layer facing away from the substrate, a third insulating layer configured on the third functional layer facing away from the substrate, a fourth functional layer configured on the third insulating layer facing away from the substrate, and a plurality of through-holes configured to electrically connect different functional layers, wherein the depth of any through-holes does not exceed the thickness of two adjacent insulating layers.

LIQUID CRYSTAL DISPLAY DEVICE

According to one embodiment, a liquid crystal display device includes a first scanning line, a third scanning line, a second scanning line, a first linear electrode, a second linear electrode and a third linear electrode. The first linear electrode is located between the first scanning line and the second scanning line, and extends in a third direction. The second linear electrode is located between the first scanning line and the second scanning line, and extends in a fourth direction. The third linear electrode is located between the second scanning line and the third scanning line, and comprises a portion extending in the fourth direction. The second linear electrode is electrically connected to the third linear electrode.

DISPLAY DEVICE

Provided is a display device including: a capacitor having a first electrode, a first insulating film over the first electrode, and a second electrode over the first insulating film; and a first transistor over the capacitor. The first transistor includes the second electrode, a second insulating film over the second electrode, an oxide semiconductor film over the second insulating film, and a first source electrode and a first drain electrode over the oxide semiconductor film. The first source electrode and the first drain electrode are electrically connected to the oxide semiconductor film.

THIN FILM TRANSISTOR AND PREPARATION METHOD THEREOF, ARRAY SUBSTRATE AND DISPLAY APPARATUS
20170250207 · 2017-08-31 ·

A thin film transistor and a preparation method thereof, an array substrate and a display apparatus are provided. The preparation method includes an operation of forming a low temperature poly silicon active layer; a substrate has a first region and a second region; and the step includes: forming a buffer layer on the first region and the second region of the substrate, the buffer layer having a thickness at a portion corresponding to the first region greater than that at a portion corresponding to the second region; or, forming the buffer layer on the first region of the substrate; forming an amorphous silicon layer on the buffer layer; performing laser crystallization processing on the amorphous silicon layer so as to convert the amorphous silicon layer into a poly silicon layer; and removing the poly silicon layer on the second region, and forming the low temperature poly silicon active layer on the first region.

DISPLAY PANEL HAVING FORCE SENSING FUNCTION

A display panel, which an also function as a touch input device, includes a substrate and at least one TFT on the substrate. Such a multi-function panel also includes a force sensor sensitive to pressure of touches on the panel. The force sensor includes a first conductive layer and a second conductive layer on the substrate.

Method of fabricating array substrate, array substrate, and display apparatus

The present application provides an array substrate. The array substrate includes a base substrate; a light shielding layer on the base substrate; a metal oxide layer on a side of the light shielding layer distal to the base substrate; and an active layer on a side of the metal oxide layer distal to the base substrate. The metal oxide layer includes a metal oxide material. The light shielding layer includes amorphous silicon. An orthographic projection of the light shielding layer on the base substrate substantially overlaps with an orthographic projection of the active layer on the base substrate, and substantially overlaps with an orthographic projection of the metal oxide layer on the base substrate.

Thin film transistor and manufacturing method thereof, display device
09748398 · 2017-08-29 · ·

A thin film transistor, its manufacturing method, and a display device are provided. The method comprises: forming a gate metal layer (35), forming a step-like gate structure (352) by one patterning process; performing a first ion implantation procedure to forming a first heavily doped area (39a) and a second heavily doped area (39b), the first heavily doped area (39a) being separated apart from the second heavily doped area (39b) by a first length; forming a gate electrode (353) from the step-like gate structure (352); performing a second ion implantation procedure to form a first lightly doped area (38a) and a second lightly doped area (38b), the first lightly doped area (38a) being separated apart from the second lightly doped area (38b) by a second length less than the first length. By the above method, the process for manufacturing the LTPS TFT having the lightly doped source/drain structure can be simplified.

Thin film transistor and method of fabricating the same, array substrate and method of fabricating the same, and display device

The present invention provides a thin film transistor and a method of fabricating the same, an array substrate and a method of fabricating the same, and a display device. The thin film transistor comprises a gate, a source, a drain, a gate insulation layer, an active layer, a passivation layer, a first electrode connection line and a second electrode connection line. The gate, the source and the drain are provided in the same layer and comprise the same material. The gate insulation layer is provided above the gate, the active layer is provided above the gate insulation layer, and a pattern of the gate insulation layer, a pattern of the gate and a pattern of the active layer coincide with each other. The passivation layer covers the source, the drain and the active layer, and the passivation layer has a first via hole corresponding to a position of the source, a second via hole corresponding to a position of the drain, and a third via hole and a fourth via hole corresponding to a position of the active layer provided therein. The first electrode connection line connects the source with the active layer through the first via hole and the third via hole, and the second electrode connection line connects the drain with the active layer through the second via hole and the fourth via hole.

Thin film transistor, method for fabricating the same, and array substrate
09748284 · 2017-08-29 · ·

Embodiments of the present invention provide a thin film transistor, a method for fabricating the same and an array substrate. The thin film transistor comprises a base substrate and an active region and a plurality of reflective plates formed on the base substrate, wherein the plurality of reflective plates are spaced apart from each other and provided at least at positions corresponding to the active region, the active region comprises polysilicon, and the polysilicon in the active region is formed by irradiating an amorphous silicon layer with laser emitted from a side of the amorphous silicon layer away from the reflective plates.