Abstract: A thin-film flip-chip light emitting diode (LED) having a roughened surface and a method for manufacturing the same are provided. First, a substrate having a patterned structure on a surface of the substrate is provided, and the surface is roughened. A first semiconductor layer is then formed on the surface; a light emitting structure layer is then formed on the first semiconductor layer; a second semiconductor layer is then formed on the light emitting structure layer. The first and second semiconductor layers possess opposite electrical characteristics. A first contact electrode and a second contact electrode are then formed on the first semiconductor layer and the second semiconductor layer, respectively. Finally, a sub-mount is formed on the first and second contact electrodes, and the substrate is removed to form the thin-film flip-chip LED having the roughened surface. Here, the light emitting efficiency of the thin-film flip-chip LED is improved.

Abstract: A method for fabricating semiconductor device is disclosed. The method includes the steps of: providing a substrate; forming a recess in the substrate; forming a buffer layer in the recess; forming an epitaxial layer on the buffer layer; and removing part of the epitaxial layer, part of the buffer layer, and part of the substrate to form fin-shaped structures.

Abstract: A fabrication method of a grating substrate, a grating substrate and a display device are provided. The fabrication method of the grating substrate, comprises: forming an array of comb-shaped, opaque touch electrodes and a plurality of first conductive bridges (3) on a base substrate, wherein the array of touch electrodes includes a plurality of first touch electrodes (1) and a plurality of second touch electrodes (2) which are disconnected from each other, and the plurality of first touch electrodes (1) in the array are connected together via the first conductive bridges (3); forming an insulating spacing layer (4) on the base substrate on which the array of touch electrodes and the plurality of first touch electrodes (1) are formed, the insulating spacing layer (4) covering the first conductive bridges (3); forming second conductive bridges (5) on the insulating spacing layer (4), the plurality of second touch electrodes (2) in the array being connected together via the second conductive bridges (5).

Abstract: A dual-polarization, 2-subcarriers code orthogonal, orthogonal frequency division multiplexed signal carrying information bits is transmitted in an optical communication network without transmitting a corresponding pilot tone or training sequence. A receiver receives the transmitted signal and recovers information bits using a blind equalization technique and by equalizing the 2-subcarriers OFDM signal as a 9-QAM signal in time domain with a CMMA (constant multi modulus algorithm) equalization method.

Abstract: A light emitting chip includes a light emitting unit, a eutectic layer and a surface passivation layer. The eutectic layer has a first surface and a second surface opposite to each other. The light emitting chip connects to the first surface of the eutectic layer. The surface passivation layer covers the second surface of the eutectic layer. A material of the surface passivation layer includes at least a metal of an oxidation potential from ?0.2 volts to ?1.8 volts.

Abstract: The present disclosure relates to the field of display technology and discloses a display device and a method for preparing the same. The display device includes a 3D grating and a touch detection unit. The 3D grating includes a base substrate arranged opposite to a display side of display panel, and a grating structure of the 3D grating and the touch detection unit are formed between the base substrate and the display panel.

Abstract: Techniques for determining a location of a device include estimating a mobility trace of the device, mapping the mobility trace to a map, and determining the location of the device based on the mapped mobility trace. The mobility trace may be estimated based on a reading obtained from the device, which may be a reading from an accelerometer and/or magnetometer sensor. The determined location of the device may correspond to a location on the mapped mobility trace.

Abstract: A thin-film flip-chip light emitting diode (LED) having a roughened surface and a method for manufacturing the same are provided. First, a substrate having a patterned structure on a surface of the substrate is provided, and the surface is roughened. A first semiconductor layer is then formed on the surface; a light emitting structure layer is then formed on the first semiconductor layer; a second semiconductor layer is then formed on the light emitting structure layer. The first and second semiconductor layers possess opposite electrical characteristics. A first contact electrode and a second contact electrode are then formed on the first semiconductor layer and the second semiconductor layer, respectively. Finally, a sub-mount is formed on the first and second contact electrodes, and the substrate is removed to form the thin-film flip-chip LED having the roughened surface. Here, the light emitting efficiency of the thin-film flip-chip LED is improved.

Abstract: A dual-polarization, 2-subcarriers code orthogonal, orthogonal frequency division multiplexed signal carrying information bits is transmitted in an optical communication network without transmitting a corresponding pilot tone or training sequence. A receiver receives the transmitted signal and recovers information bits using a blind equalization technique and by equalizing the 2-subcarriers OFDM signal as a 49-QAM signal in time domain with a CMMA (constant multi modulus algorithm) equalization method.

Abstract: Provided are a pixel driving circuit, a driving method thereof and a display apparatus. The pixel driving circuit includes an electroluminescent element, a driving transistor, a switch unit, a charging unit, a compensation unit, a cutoff unit and a storage unit. The pixel driving circuit charges the storage capacitor by the charging unit first, and then uses the method of charging first and discharging later to make the voltage in the storage capacitor match the driving current quickly to perform fast compensation of the threshold voltage Vth, and thus make the driving current provided by the driving transistor not influenced by the threshold voltage Vth, thereby raising the consistency of the driving currents and improving the uniformity of brightness.

Abstract: In a method for displaying system information, a request to display system information of the electronic device is made. Then, system information to be displayed is obtained from the electronic device. A display interface for displaying the system information is generated according to the obtained system information. The obtained system information is arranged on the display interface according to a predefined way. And, the display interface containing the obtained system information is displayed.

Abstract: Data for performing help document animated visualization is obtained by generating operation records from a text-based help document of an application. Each of the operation records may include data for animating an operation action that is performed on a user interface (UI) element of the application. The help document is further enhanced to include controls that load the operation records. The enhanced help documents and the operation records are distributed for use.

Abstract: Exemplary methods and apparatuses are provided which may be used for classifying and indexing segmented portions of web pages and providing related information for use in information extraction and/or information retrieval systems. In an embodiment, an index of segmented portions may be used by a search engine to respond to a search query. In an embodiment, one or more machine learned models may be used to identify one or more feature properties of a plurality of segmented portions within one or more files, or otherwise inferable from the one or more files. In an embodiment, one or more machine learned models may be used to classify one or more of a plurality of segmented portions as being at least one of a plurality of segment types.

Abstract: A fuel tank assembly comprises a fuel reservoir and a fuel flow control baffle positioned within the fuel reservoir to reduce the fluid energy/momentum of moving fuel. The fuel flow control baffle further comprises a sheet assembly including a first sheet layer and a second sheet layer, perforations defining attenuation channels, extending through said first and second sheet layers through which moving fuel flows into the fuel flow control baffle and a web positioned between the sheet layers to maintain the layers in a separated, three-dimensional relationship, wherein the web operates to absorb the fluid energy/momentum of the moving fuel and to reverse the fuel flow back through the flow attenuation channels. The fuel control baffle can be easily varied in length to permit usage in multiple locations inside the same tank, and in other different tank designs.

Abstract: Described herein are techniques for automatically batching GUI-based (Graphical User Interface) tasks. The described techniques include automatically determining whether a user is performing batchable tasks in a GUI-based environment. Once detected, the described techniques include predicting the next tasks of a batch based upon those detected batchable tasks. With the described techniques, the user may be asked to verify and/or correct the predicted next tasks. Furthermore, the described techniques may include performing a batch and doing so without user interaction.

Abstract: A fabrication method of a grating substrate, a grating substrate and a display device are provided. The fabrication method of the grating substrate, comprises: forming an array of comb-shaped, opaque touch electrodes and a plurality of first conductive bridges (3) on a base substrate, wherein the array of touch electrodes includes a plurality of first touch electrodes (1) and a plurality of second touch electrodes (2) which are disconnected from each other, and the plurality of first touch electrodes (1) in the array are connected together via the first conductive bridges (3); forming an insulating spacing layer (4) on the base substrate on which the array of touch electrodes and the plurality of first touch electrodes (1) are formed, the insulating spacing layer (4) covering the first conductive bridges (3); forming second conductive bridges (5) on the insulating spacing layer (4), the plurality of second touch electrodes (2) in the array being connected together via the second conductive bridges (5).

Abstract: The present disclosure relates to the field of touch display technology, and provides a color filter substrate, a display panel and a touch display device. The color filter substrate is provided with a power-generating-and-touch-detecting module capable of working in a power-generating mode and a touch mode. The power-generating-and-touch-detecting module includes a photovoltaic conversion layer, and first electrodes and second electrodes located on opposite surfaces of the photovoltaic conversion layer and arranged crosswise. The first electrodes and the second electrodes have two modes: in one mode, they serve as electrodes for outputting electrical energy from a photovoltaic conversion module; while in the other mode, they serve as driving electrodes and sensing electrodes for touch control.

Abstract: This invention provides an array substrate, a manufacturing method thereof and a display device, the array substrate comprises a common electrode line, a thin film transistor and a common electrode, the common electrode line is provided below an active layer of the thin film transistor, and is provided with a main via thereabove, the common electrode is electrically connected to the common electrode line through a main connection portion in the main via, the main connection portion comprises an upper main connection portion and a lower main connection portion, the lower main connection portion comprises a main body and a flange provided on the main body and extending towards a direction away from a center of the main via, a lower end of the upper main connection portion is connected to the flange, an upper end of the upper main connection portion is connected to the common electrode.

Abstract: The present invention provides a driving method and a driving circuit of a display panel and a display device. The display panel comprises: gate lines and data line and pixel units, the data lines comprises: first data lines and second data lines, and a first predetermined number of first data line(s) and a second predetermined number of second data line(s) are alternately arranged. The driving method comprises a step of: scanning the gate lines in turn, wherein when scanning one gate line, a data voltage signal is applied to the first data lines or the second data lines. Compared to the driving method in the prior art, the driving method provided by the present invention allows lower power consumption of the OLED panel when display at the same brightness is achieved.