Abstract: A combustion device for an engine and a method for designing a piston includes a cylinder head, a cylinder block cooperating with the cylinder head, and a piston disposed in the cylinder block. The cylinder head includes an intake valve setting region and an exhaust valve setting region. The surface of the piston adjacent to the cylinder head includes a first concave surface and a squeezing surface adjacent to the first concave surface. The squeezing surface includes a first squeezing surface corresponding to the intake valve setting region and a second squeezing surface corresponding to the exhaust valve setting region. A combustion chamber is formed between the first concave surface and the cylinder head. The second squeezing surface includes a flow guide groove. The flow guide groove includes two first notches facing the combustion chamber.

Abstract: Embodiments of the present disclosure provide an optical grating and a 3D display device having the same. The optical grating comprises a plurality of grating units arranged from a center of the optical grating towards two sides thereof, values of grating periods of a plurality of said grating units on either side of the center being non-linearly decreased progressively from the center to the side.

Abstract: The present disclosure relates to a touch panel controller, a control information acquisition method and a touch display device in the field of display technology. The touch panel controller includes at least two conductive members and a rotating component. The rotating component includes a supporting component and a mounting component connected to each other. The mounting component is configured to have the at least two conductive members mounted thereon. One end of the supporting component is configured to determine a placement surface that is in contact with a touch panel. A distance between each of the at least two conductive members and the placement surface is less than a sensing distance, and the sensing distance is a distance at which a capacitance change caused by the conductive member is detectable by the touch panel.

Abstract: A slit grating and a three-dimensional (3D) display apparatus including the slit grating are disclosed herein, the slit grating includes a plurality of grating structures (11-17) arranged side by side. The widths of the grating structures (11-17) increase and then decrease, along the direction in which the grating structures (11-17) are arranged. A grating structure (13,14) having the largest width may define a trend change point after which the trend in the widths of the grating structure widths changes.

Abstract: A curved grating structure, a display panel and the display device are provided. The curved grating structure includes multiple grating strips spaced from each other. Grating intervals between adjacent grating strips are successively decreased from a center point of the curved grating structure to a terminal of the curved grating structure. The grating interval between two adjacent grating strips is a distance in a first direction between center points of the two adjacent grating strips, and the first direction is a direction perpendicular to a normal vector of the curved grating structure passing through a center point of the curved grating structure.

Abstract: The present disclosure provides a display substrate, its manufacturing method, and a display device. The method includes a step of forming a plurality of TFTs. The method further includes steps of: forming a lattice matching layer on a substrate so as to deposit AlN thereon; depositing an AlN layer on the lattice matching layer by low-temperature pulse magnetron sputtering; and forming on the AlN layer GaN LEDs each including an n-type GaN layer, a multilayered quantum well structure and a p-type GaN layer and corresponding to one of the TFTs.

Abstract: A power supply assembly and an electronic device are disclosed. The power supply assembly includes a photoelectric converting element, a storage capacitor, an energy storage battery and an energy management module. The energy management module is configured to control the photoelectric converting element to charge the storage capacitor and the energy storage battery and control the storage capacitor to charge the energy storage battery. The power supply assembly can provide power stably in a longer term.

Abstract: The present disclosure relates to a touch panel controller, a control information acquisition method and a touch display device in the field of display technology. The touch panel controller includes at least two conductive members and a rotating component. The rotating component includes a supporting component and a mounting component connected to each other. The mounting component is configured to have the at least two conductive members mounted thereon. One end of the supporting component is configured to determine a placement surface that is in contact with a touch panel. A distance between each of the at least two conductive members and the placement surface is less than a sensing distance, and the sensing distance is a distance at which a capacitance change caused by the conductive member is detectable by the touch panel.

Abstract: A slit grating and a three-dimensional (3D) display apparatus including the slit grating are disclosed herein, the slit grating includes a plurality of grating structures (11-17) arranged side by side. The widths of the grating structures (11-17) increase and then decrease, along the direction in which the grating structures (11-17) are arranged. A grating structure (13,14) having the largest width may define a trend change point after which the trend in the widths of the grating structure widths changes.

Abstract: A radiographic detection substrate, a manufacture method thereof, and a radiographic detection device are provided. The radiographic detection substrate includes a substrate; and a thin film transistor and a signal storage unit which are formed on the substrate; the thin film transistor includes a gate electrode, an insulating layer, an active layer, a source electrode, a drain electrode and a passivation layer which are sequentially formed on the substrate; the signal storage unit includes a storage capacitor, the storage capacitor includes a first electrode and a second electrode, the first electrode is formed on the insulating layer and lapped with the drain electrode, the second electrode is connected to a ground line; the passivation layer is formed on the source electrode, the drain electrode, the first electrode and the ground line.

Abstract: The present disclosure provides an organic light-emitting diode (OLED) array substrate. The OLED array substrate includes a display area with OLEDs arranged in arrays, electrostatic discharge lines, and peripheral electrostatic discharge areas with conductive areas electrically connected to a cathode of the OLEDs and electrically connected to the electrostatic discharge lines through switch modules.

Abstract: A curved grating structure, a display panel and the display device are provided. The curved grating structure includes multiple grating strips spaced from each other. Grating intervals between adjacent grating strips are successively decreased from a center point of the curved grating structure to a terminal of the curved grating structure. The grating interval between two adjacent grating strips is a distance in a first direction between center points of the two adjacent grating strips, and the first direction is a direction perpendicular to a normal vector of the curved grating structure passing through a center point of the curved grating structure.

Abstract: A power supply assembly and an electronic device are provided. The power supply assembly includes a photoelectric converting element, a storage capacitor, an energy storage battery and an energy management module. The energy management module is configured to control the photoelectric converting element to charge the storage capacitor and the energy storage battery and control the storage capacitor to charge the energy storage battery. The power supply assembly can provide power stably in long term.

Abstract: Embodiments of the present disclosure provide an optical grating and a 3D display device having the same. The optical grating comprises a plurality of grating units arranged from a center of the optical grating towards two sides thereof, values of grating periods of a plurality of said grating units on either side of the center being non-linearly decreased progressively from the center to the side.

Abstract: The present invention provides an invisible light flat plate detector and a manufacturing method thereof, an imaging apparatus, relates to the field of detection technology, can solve problems that the structure of the invisible light flat plate detector in the prior art is complex and the manufacturing method thereof is tedious. The invisible light flat plate detector of the present invention comprises a plurality of detection units and an invisible light conversion layer provided above the detection units for converting invisible light into visible light, each of the detection units comprising a thin film transistor provided on a substrate, and a first insulation layer, a first electrode, a semiconductor photoelectronic conversion module, a second electrode which are successively provided above the thin film transistor and of which projections on the substrate at least partially overlap with a projection of the thin film transistor on the substrate.

Abstract: A radiographic detection substrate, a manufacture method thereof, and a radiographic detection device are provided. The radiographic detection substrate includes a substrate; and a thin film transistor and a signal storage unit which are formed on the substrate; the thin film transistor includes a gate electrode, an insulating layer, an active layer, a source electrode, a drain electrode and a passivation layer which are sequentially formed on the substrate; the signal storage unit includes a storage capacitor, the storage capacitor includes a first electrode and a second electrode, the first electrode is formed on the insulating layer and lapped with the drain electrode, the second electrode is connected to a ground line; the passivation layer is formed on the source electrode, the drain electrode, the first electrode and the ground line.

Abstract: The present disclosure provides an organic light-emitting diode (OLED) array substrate. The OLED array substrate includes a display area with OLEDs arranged in arrays, electrostatic discharge lines, and peripheral electrostatic discharge areas with conductive areas electrically connected to a cathode of the OLEDs and electrically connected to the electrostatic discharge lines through switch modules.

Abstract: The present invention provides an invisible light flat plate detector and a manufacturing method thereof, an imaging apparatus, relates to the field of detection technology, can solve problems that the structure of the invisible light flat plate detector in the prior art is complex and the manufacturing method thereof is tedious. The invisible light flat plate detector of the present invention comprises a plurality of detection units and an invisible light conversion layer provided above the detection units for converting invisible light into visible light, each of the detection units comprising a thin film transistor provided on a substrate, and a first insulation layer, a first electrode, a semiconductor photoelectronic conversion module, a second electrode which are successively provided above the thin film transistor and of which projections on the substrate at least partially overlap with a projection of the thin film transistor on the substrate.

Abstract: A thin film transistor, an array substrate, a method of fabricating the same, and a display device are provided. The thin film transistor includes a substrate plate, and an active layer, a source, and a drain which are arranged on the substrate plate. The thin film transistor also includes an inclined portion which is arranged on the substrate plate in an inclined manner. The active layer is at least partially arranged on the inclined portion. The source and the drain are arranged over the active layer and at least partially overlap the active layer. In this manner, the size of the thin film transistor in a direction parallel with the substrate plate can be effectively reduced.

Abstract: The present disclosure provides a display substrate, its manufacturing method, and a display device. The method includes a step of forming a plurality of TFTs. The method further includes steps of: forming a lattice matching layer on a substrate so as to deposit AlN thereon; depositing an AlN layer on the lattice matching layer by low-temperature pulse magnetron sputtering; and forming on the AlN layer GaN LEDs each including an n-type GaN layer, a multilayered quantum well structure and a p-type GaN layer and corresponding to one of the TFTs.