Abstract: An organic device comprising a reflective electrode, an organic layer arranged on the reflective electrode, a semi-transmissive electrode arranged on the organic layer and a reflection surface formed above the semi-transmissive electrode is provided. The organic layer emits white light and includes a blue-emitting layer. An optical distance L of the organic layer satisfies L?[{(?r+?s)/?}×(?b/4)]×1.2, where ?b is a peak wavelength of the blue-emitting layer, ?r and ?s are a phase shift of the wavelength ?b in the reflective electrode and the semi-transmissive electrode, respectively. A resonant wavelength of an optical distance between the semi-transmissive electrode and the reflection surface is shorter than the wavelength ?b.

Abstract: A pixel arrangement structure and its driving method, as well as a display substrate and its manufacturing method are provided. The pixel arrangement structure comprises: pixel units arranged in an array, where each of the pixel units comprises a first sub-pixel (11) and a second sub-pixel (12), the first sub-pixel (11) includes a first quantum dot light emitting diode, the second sub-pixel (12) includes an inorganic light emitting diode, a light emitting color of the second sub-pixel is identical to that of the first sub-pixel, or the light emitting color of the second sub-pixel is white. The display substrate has a long service life and wide color gamut.

Abstract: A circuit apparatus includes a storage unit, an illumination luminance calculation circuit, and a color correction circuit. The storage unit stores a look-up table indicating an attenuation factor distribution of light with respect to a distance between a light source element and a pixel. The illumination luminance calculation circuit calculates, based on attenuation factor information output from the look-up table and light source luminance information indicating luminance of light emitted by each light source element, illumination luminance information indicating luminance at which a target pixel of the display panel is illuminated by a plurality of light source elements. The color correction circuit performs color correction on input image data based on the illumination luminance information.

Abstract: Provided are a display panel and a display device. The display panel includes a first display region, a second display region and a first function region. The second display region includes a first signal line extending in the second direction and including a first segment and a second segment that are separated by the first function region. The first display region includes a first display sub-region. The first display sub-region includes a third signal line extending in the second direction and electrically connected to the first segment and the second segment. In the same pixel circuit of the first display sub-region, the second signal line and the third signal line are located on the same side of a fourth signal line.

Abstract: Provided is a display apparatus comprising a data driving circuit configured to output data signals through a plurality of output lines, a data distribution circuit including a first switch and a second switch, wherein the first switch connects a first data line to a first output line in response to a first control signal, and the second switch connects the second data line to the first output line in response to a second control signal, and a control circuit configured to alternately output the first control signal and the second control signal during each line time of one frame.

Abstract: A method and an apparatus for controlling displaying in a display panel. The display panel comprises a planar region and a curved edge region that is divided into multiple curved regions. The method includes: determining, for each curved region, a central pixel among all pixels in said curved region; determining multiple gray-scale combinations; determining chromaticity coordinates of the central pixel of each curved region under each gray-scale combination; determining reference chromaticity coordinates of a target pixel in the planar region under the maximum one of the gray-scale combinations; determining, for each curved region, a target gray-scale combination based on a difference between the reference chromaticity coordinates and the chromaticity coordinates of the central pixel of said curved region under each gray-scale combination; and controlling displaying in each curved region based on the target gray-scale combination of said curved region.

Abstract: A Gamma debugging method, apparatus and device. The method includes: determining a target display parameter of a display module at an ith gray scale binding point according to a target display parameter of the display module at a first gray scale binding point and a preset Gamma mapping relationship, controlling the display module to display an initial gray scale picture according to the target display parameter at the ith gray scale binding point, and collecting an actual display parameter of the display module at the ith gray scale binding point; and adjusting, under a condition that a difference between the actual display parameter at the ith gray scale binding point and the target display parameter at the ith gray scale binding point goes beyond a preset deviation threshold range, a data signal parameter corresponding to the ith gray scale binding point.

Abstract: The present disclosure provides a display panel, a driving method therefor, and an electronic device. The display panel includes multiple second scan lines, a pixel circuit further includes a second switch unit and a neutralizing capacitor, a control end of the second switch unit is electrically connected to a second scan line, a first terminal of the second switch unit is electrically connected to a second terminal of a first switch unit, and a second terminal of the second switch unit is electrically connected to one terminal of the neutralizing capacitor, and the other end of the neutralizing capacitor is electrically connected to a second common electrode. The control circuit is configured to obtain a display signal, and charges liquid crystal capacitors, storage capacitors, and neutralizing capacitors in each row according to the display signal, to enable the display panel to displays a frame at a first frequency.

Abstract: A micro-LED display includes a first LED subpixel, a second LED subpixel, a third LED subpixel and a fourth LED subpixel. The first LED subpixel is configured to emit a red light. The second LED subpixel is configured to emit a green light. The third LED subpixel is configured to emit a blue light. The fourth LED subpixel is configured to emit a yellow light, in which the yellow light emitted by the fourth LED subpixel has a peak wavelength that satisfies ?p,Yellow,lower_limit<?p. ?p,Yellow,lower_limit is a lower limit of the peak wavelength of the yellow light, ?p is the peak wavelength of the yellow light.

Abstract: A method for reducing a color edge phenomenon of a display panel is provided. The method is applicable to a display panel including a plurality of pixel units. The method includes: performing pixel adjustment on the pixel units at edges of the display panel. Each pixel unit includes at least three sub-pixels: a first sub-pixel, a second sub-pixel, and a third sub-pixel. By adjusting positions, areas, or brightness of the sub-pixels, the color edge phenomenon of the display panel is effectively reduced or avoided.

Abstract: A display device is provided. The display device includes a first pixel, a first emission signal line and a second emission signal line. The first pixel includes a blue sub-pixel, a green sub-pixel and a red sub-pixel. The blue sub-pixel includes a first emission control switch. The green sub-pixel includes a second emission control switch. The red sub-pixel includes a third emission control switch. The first emission signal line is electrically connected to the first emission control switch and the second emission control switch. The second emission signal line is electrically connected to the third emission control switch.

Abstract: Provided are a device and method for correcting the vision of a user and performing calibration. A method, performed by an augmented reality device, of performing gaze tracking sensor calibration based on a gaze of a user includes outputting at least one first character in a preset size through a waveguide of the augmented reality device, obtaining at least one first input for the at least one first character, obtaining at least one piece of first gaze information detected through a gaze tracking sensor of the augmented reality device at a time point at which the at least one first input is obtained, comparing the at least one first character with the at least one first input, and determining a first refractive power to be a refractive power of the varifocal lens of the augmented reality device, based on a result of the comparing.

Abstract: An electronic device such as a voice-controlled speaker may have an array of strain gauges and light-emitting diodes. The light-emitting diodes may be configured to display dynamically adjustable button icons overlapping the strain gauges. Force measurements from the strain gauges may be used to adjust speaker output and other device operations.

Abstract: An organic light emitting display device and a driving method thereof are disclosed. The display device has sub-pixels of multiple colors. In one aspect, the organic light emitting display device detects sub-pixels which are positioned at the edges of the panel. Data for the sub-pixels on the edges are reduced so that colors on the edges are less observable.

Abstract: An electronic device may have a display and a camera. Control circuitry in the device can gather information on a user's point of gaze using a gaze tracking system and other sensors, can gather information on the real-world image such as information on content, motion, and other image attributes by analyzing the real-world image, can gather user vision information such as user acuity, contrast sensitivity, field of view, and geometrical distortions, can gather user input such as user preferences and user mode selection commands, and can gather other input. Based on the point-of-gaze information and/or other gathered information, the control circuitry can display the real-world image and supplemental information on the display. The supplemental information can include augmentations such as icons, text labels, and other computer-generated text and graphics overlaid on the real world image and can include enhanced image content such as magnified portions of the real-world image.

Abstract: A display data adjustment method is provided, including the following. First display data is received, and first grayscale values of first sub-pixels of different colors in the first display data are converted from a first color gamut space into color values in a second color gamut space. First weight values are generated according to the color values. Lookup tables are compared according to the first grayscale values of the first sub-pixels to obtain groups of first high grayscale values and first low grayscale values corresponding to the first sub-pixels. Second high grayscale values and second low grayscale values are obtained by calculation according to the groups of the first high grayscale values and the first low grayscale values and the first weight values. The second high grayscale values or the second low grayscale values are selected as second grayscale values of second sub-pixels in second display data.

Abstract: A display panel includes a plurality of pixel units arranged in an array and a plurality of data lines. The pixel units in two adjacent rows in two adjacent columns form a grayscale combined pixel. The grayscale combined pixel comprises three sub-pixels corresponding to the high grayscale and nine sub-pixels corresponding to the low grayscale.

Abstract: A pixel arrangement structure includes two first sub-pixels and two second sub-pixels which are connected as a first virtual quadrilateral. The two first sub-pixels are located at two first vertices of the first virtual quadrilateral. The two second sub-pixels are located at two second vertices of the first virtual quadrilateral. The two first vertices and the two second vertices are alternately arranged and spaced apart from each other. A third sub-pixel is located within the first virtual quadrilateral, and a center of the third sub-pixel deviates from a center of the first virtual quadrilateral. In a row direction or a column direction, the first virtual quadrilateral includes a first side and a second side facing to each other, and a length of the first side is smaller than a length of the second side.

Abstract: A novel functional panel that is highly convenient or highly reliable is provided. The functional panel includes a first pixel. The first pixel includes a first element, a color conversion layer, and a first functional layer. The first functional layer is positioned between the first element and the color conversion layer. The first element has a function of emitting light and contains gallium nitride. The color conversion layer has a function of converting the color of light emitted from the first element into a different color. The first functional layer includes a first insulating film and a pixel circuit. The first insulating film includes a region positioned between the pixel circuit and the first element, and has an opening. The pixel circuit includes a first transistor. The first transistor includes a first oxide semiconductor film and is electrically connected to the first element through the opening.

Abstract: Disclosed are a source driver and a method of detecting crack of a display panel. A source driver may comprise a first circuit configured to apply first data to data lines connected to sub-pixels of a display panel to charge a first driving voltage; and a second circuit formed on the display panel that applies the first driving voltage to a detection line formed on the display panel to detect the presence of cracks in the display panel based on the illumination status of the sub-pixels, wherein the detection line includes a first detection node and a second detection node formed on one side of the display panel along its extension direction, wherein the first detection node is connected to data lines of the first and third sub-pixels, and wherein the second detection node is connected to data line of the second sub-pixel.

Abstract: Disclosed is a display device including a display panel having a plurality of pixels, the display panel comprising a first display area having first resolution and a second display area having second resolution, the second resolution being lower than the first resolution, and a controller configured to generate display area information of each of the plurality of pixels, to blur an image that is displayed in the second display area based on the display area information, and to perform control such that the blurred image is displayed on the display panel.

Abstract: An electronic device performing a method of tracking a user's gaze of an electronic device and outputting an augmented reality (AR) image is provided. The metho includes outputting a first light which is a structured light at a first time point toward the user's eyes, outputting a second light at a second time point toward the user's eyes, acquiring a first image in response to the output of the first light at the first time point, acquiring a second image in response to the output of the second light at the second time point, synthesizing the first image and the second image to create a third image, calculating first coordinate values, which are coordinate values of pupils of the user's eyes on the basis of the third image; and detecting a gaze direction on the basis of the first coordinate values.

Abstract: A display device of the disclosure includes a display panel including pixels, a first sensor configured to sense mobility of the pixels, and a second sensor. The first sensor generates an initial sensing value using a first process to sense the mobility during a first time period from a power-on time point of the display device to a display start time point, and generates a first sensing value using a second process to sense the mobility after the display start time point. The second sensor senses whether the display panel is an abnormal state based on the initial sensing value and the first sensing value.

Abstract: Disclosed is a display device including a display panel having a plurality of pixels, the display panel comprising a first display area having first resolution and a second display area having second resolution, the second resolution being lower than the first resolution, and a controller configured to generate display area information of each of the plurality of pixels, to blur an image that is displayed in the second display area based on the display area information, and to perform control such that the blurred image is displayed on the display panel.

Abstract: The present disclosure relates to a display panel and a display device using the same. Between first and second pixel areas having different pixels per inch, a third pixel area is provided to have the same pixels per inch as the first pixel area. In the third pixel area, some of pixels emit light as ON pixels, and remaining background pixels except for the ON pixels are driven as OFF pixels or low luminance pixels.

Abstract: A transparent display panel and a transparent display device including the same are disclosed. The transparent display panel includes a display region and a non-display region. The display region includes a plurality of light-emitting regions, a plurality of transmissive regions, a plurality of line regions spaced from each other and arranged in one direction, and a plurality of pixel circuit regions electrically connected to the light-emitting regions respectively to drive the light-emitting regions. Alternately-arranged adjacent line regions include alternately-arranged adjacent VSS voltage connection line and VDD voltage connection line, respectively. Thus, a new pixel arrangement structure that may increase or maximize a transparent area of a bezel and reduce or minimize a haze value without reducing transmittance of the display region may be realized.

Abstract: A display substrate, a method for driving the same, a display device, and a high-precision metal mask are provided. The display area includes a first display sub-area in which pixels are distributed at a high density (e.g., a high resolution), and a second display sub-area in which pixels are distributed at a low density (e.g., a low resolution), and a transition display sub-area, with a distribution density of pixels (a resolution) between the distribution density of pixels in the first display sub-area and a distribution density of pixels in the second display sub-area, is arranged between the first display sub-area and the second display sub-area.

Abstract: An electroluminescent display apparatus can include a display panel including a first active region configured to display first image data and a second active region configured to display second image data. The apparatus can further include a first memory configured to store a first main compensation value and a first boundary compensation value, corresponding to first pixels in the first active region, and a second memory configured to store a second main compensation value and a second boundary compensation value, corresponding to second pixels in the second active region. The apparatus can further include a first timing controller configured to correct the first image data based on the first main compensation value and the first and second boundary compensation values, and a second timing controller configured to correct the second image data based on the second main compensation value, the second boundary compensation value, and the first boundary compensation value.

Abstract: A method for controlling a display device of a vehicle is disclosed. The display device is configured to acquire data information sent by an external terminal by communicating with the external terminal. The method includes: acquiring a driving parameter collected by the vehicle; determining a target display mode and a target display content based on the driving parameter, wherein the target display mode comprises at least one of a projection display mode or a screen display mode; and displaying the target display content based on the target display mode. The method may also include determining a current driving scenario type of the vehicle or determining a target priority of the target display content.

Abstract: Provided is a display device comprising a display panel including a plurality of pixels respectively connected to a plurality of scan lines and a plurality of data lines, a scan driver configured to scan signals to the pixels through the scan lines, a date driver configured to provide data voltages to the pixels through the data lines, and a controller configured to control the scan driver and the date driver, and including an image data processor configured to receive input image data at variable input frame frequency. Accordingly, display quality is improved because a flicker is minimized or reduced.

Abstract: A display panel includes: a drive backplane having a transparent region and a pixel region surrounding the transparent region, wherein a plurality of pixel circuits are provided in the pixel region, and the pixel circuits include a plurality of columns of first pixel circuits and a plurality of columns of second pixel circuits distributed along a row direction; and a light-emitting layer including a plurality of light-emitting devices, wherein the light-emitting devices include a plurality of first light-emitting devices located in the transparent region and a plurality of second light-emitting devices located in the pixel region, each of the first light-emitting devices is connected to one of the first pixel circuits via one of transparent electric conductors, and a deviation between delay time of a signal transmitted by any of the electric conductors and a standard delay time is not greater than a deviation threshold.

Abstract: A local active matrix display panel, circuits and methods of operation are described. In an embodiment, a local active matrix display panel includes an array of pixel driver chip, a thin film transistor layer in electrical contact with the array of pixel driver chips, and an array of light emitting diodes electrically connected with the thin film transistor layer.

Abstract: An electronic device capable of determining an eye convergence angle using a magnetometer sensor is provided. The magnetometer sensor is capable of reporting angle readings in three dimensions that is aligned with an eye gaze direction of each eye of a user. The magnetometer which is incorporated into the device can fit into a human eye like a contact lens and determine the angle of the gaze direction of both eyes with respect to an object within a field of view. By obtaining this eye convergence angle for an object, it is possible to accurately detect depth information. The electronic device also functions as a digital contact lens that can automatically adjust the focal point of the object to provide the user with a clear vision. The electronic device also includes a display that provides the user with additional information about the object.

Abstract: Disclosed is a display apparatus with gaze-tracking means, light source(s), eyepiece lens, and processor(s) configured to: process gaze-tracking data to determine a gaze direction; determine relative position of a pupil with respect to eyepiece lens and relative orientation (A) of the pupil with respect to optical axis (OO?) of eyepiece lens; estimate distortions per pixel(s) in image, based on the relative position, the relative orientation and distortion information; identify an image segment whose pixels' estimated distortions are higher than predefined threshold distortion; modify image by replacing pixels of identified image segment with black pixels or near-black pixels; and utilise modified image for display to given eye via light source(s).

Abstract: An image apparatus includes a pixel array, an optical modulator, a controller, and a memory device storing information of a frame memory and information of a view map. The optical modulator modulates the light emitted from the pixel array to different viewing angles. The controller generates images of a scene with different lighting profiles corresponding to different viewing angles according to the information of the frame memory and the information of the view map.

Abstract: Various embodiments and configurations of optical imaging systems are described herein that utilize a metalens for narrowband deflection of target frequencies. For example, one embodiment of a multifrequency metalens includes an in-plane spatially multiplexed array of frequency-specific nanopillars or frequency-specific rows/columns of nanopillars that are intermingled with one another. In other embodiments, transmissive metalenses and/or reflective metalenses are tuned to focus color-separated visible light into red, green, and blue (RGB) channels of a digital image sensor.

Abstract: A display panel and a display device. The first display region of the display panel includes a first boundary on a side of the display panel, the second display region includes a second boundary on the same side and is connected with the first boundary, and the display panel includes a first pixel unit which is located in the first display region and includes a plurality of first sub-pixels of different colors. A second pixel unit which is located in the second display region and includes a plurality of second sub-pixels of different colors, and dummy sub-pixels which are located in the first display region and between the first pixel unit and the first boundary. A color of the dummy sub-pixels is the same as that of the second sub-pixels in the second pixel unit adjacent to the second boundary.

Abstract: Embodiments relate to a display device with subpixels that share switch transistors that selectively connect sources of driving transistors to a high voltage source. Further, part of reset transistors or part of a select transistor may be shared across multiple subpixels. The reset transistor selectively connects an anode of an organic light emitting diode (OLED) to a low voltage source. The select transistor selectively passes through pixel data from a data line when a gate signal is received via a gate line. Driver transistors and capacitors of the subpixels are independent and not shared. In this way, the dimensions of the subpixels may be reduced and enable increase in the density of the pixels.

Abstract: The present disclosure provides a display device and an electronic device. The electronic device includes a substrate, a first circuitry, a first light emitting unit, a sensor circuitry, and a sensor unit. The first circuitry, the first light emitting unit, the sensor circuitry and the sensor unit are disposed on the substrate. The first light emitting unit is driven by the first circuitry. The sensor unit is driven by the sensor circuitry. A first portion of the sensor circuitry is overlapped with the first light emitting unit and a second portion of the sensor circuitry is overlapped with the sensor unit in a top view direction of the electronic device.

Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and sub-pixels on the base substrate, a sub-pixel includes an organic light emitting element and a pixel circuit, the organic light emitting element includes a first electrode, a light emitting layer and a second electrode which is electrically connected to the pixel circuit. The sub-pixels include first color sub-pixels, second color sub-pixels and third color sub-pixels, current efficiency of a first color sub-pixel is different from that of a second color sub-pixel. The display substrate includes a source-drain metal layer which includes a first power signal line, the display substrate includes a second power signal line and reset power signal lines, the reset power signal lines include a first reset power signal line and a second reset power signal line which are electrically connected to the pixel circuit.

Abstract: A driving method of a display panel, a display panel, and a display device are provided. Pixel units are grouped, so that the pixel units include the same number of sub-pixels. Each of the pixel units performs a display grayscale switching in a corresponding switching frame. A number of the sub-pixels having a first display gray level and a number of the sub-pixels having a second display gray level in each of the pixel units are the same. A the frame time of maintaining the first display grayscale by each of the pixel units and a frame time of maintaining the second display grayscale by each of the pixel units are the same.

Abstract: An afterimage compensator includes: a pixel data generator configured to generate characteristic data for one or more pixels from among a plurality of pixels by using a captured image; a stress accumulator configured to generate an accumulated stress for the one or more pixels in which stress corresponding to the one or more pixels is accumulated based on an image signal of a voltage domain; a domain converter configured to convert the accumulated stress for the one or more pixels from the voltage domain to accumulated stress data for the one or more pixels of a grayscale domain; and a compensator configured to generate compensation data using the characteristic data for the one or more pixels and the accumulated stress data for the one or more pixels.

Abstract: A display panel and a display device are provided. The display panel includes a plurality of scan lines extending in a first direction, a plurality of data lines extending in a second direction, and a plurality of pixel units. Each of the pixel units comprises a first sub-pixel, a second sub-pixel, and a third sub-pixel disposed between adjacent two of the scan lines. The first sub-pixel and the second sub-pixel are arranged along the first direction, and the first sub-pixel and the third sub-pixel are arranged along the second direction.

Abstract: Systems, devices and methods for a head-mounted device are provided. In some examples, a head-mounted device comprising a frame having at least one arm, at least one display coupled at a proximity edge of the at least one arm, an electronic system coupled at a proximity another edge of the at least one arm, a data processing unit configured to send and receive data from the display, wherein the data processing unit coupled through the arm between the electronic system and the display; and an optical system configured to project an image from the display to a user's eye, wherein the optical system is mounted at the top of the display.

Abstract: The present application relates to the field of display technologies, and provides a display panel including a base substrate; a plurality of pixel structures arranged in an array on the base substrate including a main light-emitting portion and an auxiliary light-emitting portion independently driven and having a same light-emitting color, as well as a microstructure covering the main light-emitting portion and the auxiliary light-emitting portion, light emitted by the main light-emitting portion and the auxiliary light-emitting portion of the same organic light-emitting sub-pixel is emitted through the microstructure; and wherein the initial brightness of the organic light-emitting sub-pixel is the initial brightness of the main light-emitting portion; and a control structure configured to control brightness of the auxiliary light-emitting portion according to brightness of the main light-emitting portion to compensate the brightness of the main light-emitting portion, so that brightness of the organic ligh

Abstract: A display apparatus includes a plurality of source drivers outputting a gradation voltage signal and a selector switchably supplying the output gradation voltage signal to a plurality of data lines. The plurality of source drivers include a first source driver that has a first output buffer outputting a switching signal and a second source driver that has a second output buffer. The first output buffer has first and second transistors coupled via output terminals of the switching signal and turned ON and OFF complementarily. The second output buffer has third and fourth transistors coupled via output terminals of the switching signal and turned ON and OFF complementarily. The first and the second output buffers have the output terminals electrically coupled, and the first source driver has an abnormal detection circuit detecting a state causing a flow-through current to occur between the output terminals.

Abstract: A display device is provided. The display device includes a first pixel, a first emission signal line and a second emission signal line. The first pixel includes a blue sub-pixel, a green sub-pixel and a red sub-pixel. The blue sub-pixel includes a first emission control switch. The green sub-pixel includes a second emission control switch. The red sub-pixel includes a third emission control switch. The first emission signal line is electrically connected to the first emission control switch and the second emission control switch. The second emission signal line is electrically connected to the third emission control switch.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for gamma lookup table compression based on dimensionality reduction. In one aspect, a method includes obtaining a selection of a particular display condition for a display panel from among different display conditions for the display panel, selecting, based on the selection of the particular display condition, a set of weights for a set of basis functions from among different sets of weights that correspond to the different display conditions for the display panel, determining a gamma lookup table for the particular display condition for the display panel based on the set of weights that were selected and the set of basis functions, and remapping an image to be output on the display panel based on the gamma lookup table for the particular display condition.

Abstract: The disclosure is generally directed to systems and methods for inference quality determination of a deep neural network (DNN) without requiring ground truth information for use in driver-assisted vehicles, including receiving an image frame from a source; applying a normal inference DNN model to the image frame to produce a first inference with a first bounding box using a normal inference DNN model; applying a deep inference DNN model to a plurality of filtered versions of the image frame to produce a plurality of deep inferences with a plurality of bounding boxes; comparing the plurality of bounding boxes to identify a cluster condition of the plurality of bounding boxes; and determining an inference quality of the image frame of the normal inference DNN model as a function of the cluster condition.

Abstract: A display device includes a first sub-pixel have a square form, a second sub-pixel positioned to face a first side or a second side of the first sub-pixel and having a rectangular form, and a third sub-pixel positioned to face the first side or the second side of the first sub-pixel spaced from the second sub-pixel and having a rectangular form, wherein the first side and the second side of the first sub-pixel come together at an angle, and wherein the first sub-pixel, the second sub-pixel, and the third sub-pixel are configured to emit lights of different colors.