Abstract: An LED based lighting device capable of Radio Frequency communication, said LED based lighting device comprising a driver board comprising a mains input connector, an LED output connector and an LED driver, wherein said LED driver is arranged for receiving a mains power supply, via said mains input connector, and for providing an LED current to an at least one LED, via said LED output connector, an LED board comprising an LED input connector, an antenna and said at least one LED, an interconnect cable connecting said driver board to said LED board via said LED output connector and said LED input connector, wherein said driver board further comprises an RF module arranged for generating an RF signal and for superimposing said generated RF signal on said LED current such that said RF signal is conveyed over said interconnect cable to said antenna.

Abstract: A foldable display apparatus includes: a non-folding area, and a folding area, in which an aperture ratio of a plurality of red sub pixels in the folding area is lower than an aperture ratio of a plurality in red sub pixels of the non-folding area, an aperture ratio of the plurality of green sub pixels in the folding area is lower than an aperture ratio of the plurality of green sub pixels of the non-folding area, and an aperture ratio of the plurality in blue sub pixels of the folding area is lower than an aperture ratio of the plurality of blue sub pixels of the non-folding area.

Abstract: A two-wire non-polar multifunctional filament and a light string are provided. The two-wire non-polar multifunctional filament includes a transparent substrate, a first conductive terminal, and a second conductive terminal. The first conductive terminal and the second conductive terminal are disposed at an end portion of the transparent substrate. At least two layers of wires are disposed in the transparent substrate, and the at least two layers of wires include a first circuit layer and a second circuit layer. The first circuit layer includes a one-way conduction diode, a single-chip microcomputer control chip, and a plurality of first LED light-emitting chip units, and the second circuit layer includes a plurality of second LED light-emitting chips. The light string may switch a lighting function and a light changing function through changing positive and negative electrodes of electric current, which has a better visual effect and is low in product cost.

Abstract: A light source includes a plurality of light emitting elements one-dimensionally or two-dimensionally arranged, a plurality of wavelength conversion members, a plurality of first light diffusing members, a light transmitting member, a second light diffusing member, and a light shielding member. Each of the light emitting elements has a light emission surface and an electrode surface. Each of the wavelength conversion members is disposed on the light emission surface of a respective one of the light emitting elements. Each of the first light diffusing members is disposed on a respective one of the wavelength conversion members. The light transmitting member continuously covers the first light diffusing members. The second light diffusing member is disposed on the light transmitting member. The light shielding member covers lateral surfaces of the light emitting elements, lateral surfaces of the wavelength conversion members, and lateral surfaces of the first light diffusing members.

Abstract: A flexible haptic interface including a haptic structure defining a touch surface touchable by a user, the structure including a plurality of stiff touch pixels borne by a flexible carrier, at least one actuator that makes contact with each pixel and that is arranged to transmit, to the pixel, a mechanical excitation that leads to an effect perceptible tactilely by the user.

Abstract: Segmented LED arrays with various diffusing elements are disclosed. An example segmented LED array includes a plurality of LEDs arranged in a plurality of sections where a given section may include one or more LEDs and where each section may be aligned with a different respective optical element such as a lens. Each LED may be a wavelength-converting LED in that it may include a light emitter arrangement and a wavelength-converter structure. In various embodiments, diffusing elements in the form of one or more structures of a diffuser material may be provided over the wavelength-converter structure of one or more LEDs, the one or more structures being in a light path between the wavelength-converter structure and at least one of the plurality of optical elements, and configured to diffuse light emerging from the wavelength-converter structure.

Abstract: A light bulb apparatus includes a head cup, a bottom support, multiple light strips and a bulb shell. The head cup is connected to an external power source. The bottom support is extended from the head cup. Each light strip has a top end and a bottom end. The bottom ends of the light strips are connected to the bottom support. The top ends of the light strips form a top polygonal shape and the bottom ends of the light strips form a bottom polygonal shape. The bottom polygonal shape has a bigger area size than the top polygonal shape. Each light strip has a skewed angle with respect to a middle axis perpendicular to the bottom shape.

Abstract: Display devices and methods of manufacturing display devices are provided in which a sealing layer is provided on a metal layer, and the metal layer may be removed thereby facilitating removal of the sealing layer, for example, during a repair process. A display device includes a first substrate and a display assembly on the first substrate. The display assembly includes a plurality of sub-pixels, and a portion of the first substrate extends laterally beyond a periphery of the display assembly. A protective layer is provided on the portion of the first substrate that extends laterally beyond the periphery of the display assembly, and a sealing layer is disposed on the protective layer.

Abstract: Embodiments of the present disclosure provide a display panel and a method of manufacturing the same, and a display apparatus. The display panel includes: a display substrate; a packaging cover plate; a sealing assembly. The sealing assembly includes a box dam structure, a buffer structure and a filling structure, the box dam structure forms a sealing space together with the display substrate and the packaging cover plate, the buffer structure and the filling structure are located in the sealing space, and the buffer structure is located between the box dam structure and the filling structure. The box dam structure is made of a first material, the buffer structure includes a second material, the filling structure is made of a third material, and a viscosity of the second material is greater than a viscosity of the third material and less than a viscosity of the first material.

Abstract: A display device includes: a substrate including a first display area and a second display area including a transmission area; first pixels in the first display area; and second pixels in the second display area, wherein a distance between a first sub-pixel from among the first pixels, the first sub-pixel being adjacent to a boundary area between the first display area and the second display area, and a second sub-pixel from among the second pixels, the second sub-pixel being adjacent to the boundary area, is set to a certain value.

Abstract: A dimmable light-emitting device, comprises a LED light source; a base assembly configured to fit a light-bulb socket, the base assembly comprising a hollow portion; a LED control circuit for dimming the LED light source, the LED control circuit entirely housed within the hollow portion.

Abstract: A light source includes a socket connection, a base connected to the socket connection, an LED unit, a mount and a heat conductive material. The socket connection is capable of connecting to a source of electricity. The mount is disposed into the base, and has a top surface on which the LED unit are disposed and a side surface devoid of the LED unit. The heat conductive material directly contacts the LED unit and the side surface of the mount. The heat conductive material enters into a space flanked by the mount and the base and is substantially translucent or transparent such that light emitted from the LED unit is able to pass through the heat conductive material.

Abstract: An LED tube lamp comprises a glass tube, two end caps coupled to a respective end of the glass tube, an LED light strip attached to an inner circumferential surface of the glass tube, a protective layer disposed on a surface of the LED light strip, a plurality of LED light sources mounted on the LED light strip, two first soldering pads arranged at an end of the LED light strip, two notches formed at an edge of the end of the LED light strip, a power supply module configured to drive the plurality of LED light sources. The protective layer comprises two openings to expose the two first soldering pads. The power supply module comprises a printed circuit board comprising two second soldering pads and each of the two first soldering pad soldered to the respective second soldering pad by a solder. The solder is disposed on the first soldering pad, the corresponding second soldering pad and in the corresponding notch.

Abstract: A lighting device includes a translucent bulb and a light engine arranged in said bulb. The bulb comprises a base with two connection wires for connecting the light engine. The light engine comprises two connection elements which are electrically and mechanically connected to the connection wires. The connection elements each comprise a gripping region for holding the light engine and a connecting region for connecting the light engine to the connection wires.

Abstract: Disclosed is a four-in-one mini-LED module, a display screen, and a manufacturing method thereof. The four-in-one mini-LED module comprises a substrate and a plurality of RGB-LED chip sets arranged in an array on the substrate. The RGB-LED chip sets are provided with glue layers. Each RGB-LED chip set comprises an R chip, a G chip and a B chip, each chip has a first electrode and a second electrode, and the first electrode and the second electrode have opposite polarities. The first electrodes of all the chips of the same row are electrically connected, the second electrodes of all the R chips of the same column are electrically connected, the second electrodes of all the G chips of the same column are electrically connected, and the second electrodes of all the B chips of the same column are electrically connected.

Abstract: An electroluminescent light source included as a sheet-like structure as part of headliner in a vehicle. The electroluminescent light source is arranged under an outer layer of fabric, as well as under a layer of foam and a layer of nonwoven textile material. The electroluminescent light source lacks a dedicated housing for containing the electroluminescent light source, which allows for the headliner to maintain a flat and uniform surface that is undisturbed by the inclusion of the electroluminescent light source. When the electroluminescent light source is activated, the emitted light has sufficient brightness to shine through the various layers of the headliner to illuminate the interior of the vehicle.

Abstract: A light bulb apparatus includes a head cup, a bottom support, multiple light strips and a bulb shell. The head cup is connected to an external power source. The bottom support is extended from the head cup. Each light strip has a top end and a bottom end. The bottom ends of the light strips are connected to the bottom support. The top ends of the light strips form a top polygonal shape and the bottom ends of the light strips form a bottom polygonal shape. The bottom polygonal shape has a bigger area size than the top polygonal shape. Each light strip has a skewed angle with respect to a middle axis perpendicular to the bottom shape.

Abstract: A light bulb apparatus includes a head cup, a bottom support, multiple light strips and a bulb shell. The head cup is connected to an external power source. The bottom support is extended from the head cup. Each light strip has a top end and a bottom end. The bottom ends of the light strips are connected to the bottom support. The top ends of the light strips form a top polygonal shape and the bottom ends of the light strips form a bottom polygonal shape. The bottom polygonal shape has a bigger area size than the top polygonal shape. Each light strip has a skewed angle with respect to a middle axis perpendicular to the bottom shape.

Abstract: A disconnector for an electric circuit having a first electrical contact and a second electrical contact for connecting or disconnecting an electric circuit connected to the first electrical contact and the second electrical contact. Each of the contacts have a first end with a base contact and a second end with a contact point for electrically connecting the first electrical contact to the second electrical contact. The disconnector has a isolating support for supporting the first electrical contact and the second electrical contact such that the first electrical contact is in touch with the second electrical contact at the contact points in a mechanically pre-loaded condition to connect the electric circuit electrically. The first electrical contact and the second electrical contact can be separated by a separator plate.

Abstract: An LED light bulb includes a bulb shell, a bulb base, two conductive supports, a stem, and an LED filament. The bulb base is connected with the bulb shell. The two conductive supports are disposed in the bulb shell. The stem extends from the bulb base to inside of the bulb shell. The LED filament includes a plurality of LED chips and two conductive electrodes. The LED chips are arranged in an array along an elongated direction of the LED filament. The two conductive electrodes are respectively disposed at two ends of the LED filament and connected to the LED chips. The two conductive electrodes are respectively connected to the two conductive supports. The LED filament is curled to satisfy symmetry characteristics. Brightness presented by portions of the LED filament in different quadrants in a top view or in a side view is in line symmetry or in point symmetry.

Abstract: The present disclosure provides systems for generating tunable white light. The systems include a plurality of LED strings that generate light with color points that fall within red, blue, and green color ranges, with each LED string being driven with a separately controllable drive current in order to tune the generated light output. The systems can include an additional LED string configured for functional applications that includes a type of LED selected from 380-420 nm violet saturated LEDs, 200-280 nm UVC saturated LEDs, 850-940 nm near-IR saturated LEDs, 580-620 nm amber-orange/red saturated LEDs, and 460-490 nm long-blue saturated LEDs.

Abstract: An organic light emitting display device is disclosed. The organic light emitting display device includes a first sub-pixel that includes a first emission region which makes a first color, a second sub-pixel that is disposed adjacent to the first sub-pixel, and includes a second emission region which makes a second color, a third sub-pixel that is disposed adjacent to the first sub-pixel, and includes a third emission region which makes a third color, and a fourth sub-pixel that is disposed adjacent to the second sub-pixel and the third sub-pixel, and includes a fourth emission region which makes a fourth color. At least one of the first to fourth sub-pixels includes a transmission region which cannot emit light and through which external light is transmitted. The transmission region is surrounded by at least one of the first to fourth emission regions.

Abstract: In some examples, a computing system may include a computing device, a display device, and a camera. The computing device includes a processor and a memory. The display device may be (1) separate from and electronically connected to the computing device or (2) integrated into the computing device. A camera may be connected to the computing device. The camera may be (1) a standalone device or (2) integrated into the display device. The camera may include a lens, a sensor, and a light source. For example, the light source may be a light emitting diode (LED) or an organic LED (OLED). Providing power to the light source causes the light source to emit an amount of light sufficient to saturate the imaging sensor such that if the camera is hijacked by a third party, the image data from the saturated sensor is distorted and unusable.

Abstract: A light bulb apparatus includes a head cup, a bottom support, multiple light strips and a bulb shell. The head cup is connected to an external power source. The bottom support is extended from the head cup. Each light strip has a top end and a bottom end. The bottom ends of the light strips are connected to the bottom support. The top ends of the light strips form a top polygonal shape and the bottom ends of the light strips form a bottom polygonal shape. The bottom polygonal shape has a bigger area size than the top polygonal shape. Each light strip has a skewed angle with respect to a middle axis perpendicular to the bottom shape.

Abstract: A lighting device includes translucent shell, bottom base, lamp base, light bar module, two or more metal support bars and two metal conducting bars. The bottom base connected with the translucent shell and formed a receiving space together. The lamp base set on the bottom base and equipped with a table-board. The light bar module is formed by connecting two or more light bars in series, between said two or more light bars, there are two supporting points, and s the light bar module has two electrical connection points. The metal support bars are connected to the one support point, respectively; the metal conducting bars are connected to the two electrical connection points of the light bar module, respectively, wherein the metal support bar, the light bar and the metal conducting bar constituted a side component of two substantial triangular frame structures.

Abstract: An LED light tube assembly comprising an LED light tube with an LED array board in a tubular housing, and an end cap with a driver board removably secured to the end of the LED light tube. The driver board extends from a cap midpoint at a first level corresponding to an underside of the LED board in the tube, and the cap includes a connector tongue spaced from and parallel to the driver board at a second level corresponding to a portion of the sidewall of the tubular housing. The driver board further includes spring terminals that frictionally engage an upper surface of the LED board as the cap is assembled to the light tube, while remaining assembly and connection forces are borne by the cap and the tubular housing.

Abstract: The invention discloses an LED bulb having a light guide body, including a bulb holder, a bulb shell, a luminous body, a power source, a connector, and a light guide body. The connector is fixedly connected to the bulb holder, the bulb shell is fixed on the connector, the luminous body and the power source are located in the bulb holder, the luminous body and the power source are connected by using a wire, a lower end of the light guide body is plugged with the connector, and a bottom of the light guide body is in contact with the luminous body, where the light guide body is engraved with glyphs. The LED bulb having a light guide body of the invention can both provide light and have a decorative effect.

Abstract: An LED lighting assembly structure includes a lamp housing, and an end cap. The lamp housing includes at least one slot. The end cap includes a lug cap, at least one through-hole, and at least one reinforcing rib, and at least one fastener. The reinforcing rib and the through-hole are partially coincident with each other in a cross section perpendicular to the central axis of the through-hole. When the fastener is screwed into the through-hole and the slot, it may either cut into the reinforcing rib, or the reinforcing rib is pressed against the lug cap, or both the reinforcing rib is pressed against the lug cap and the fastener cuts into the reinforcing rib. As a result, the strength between the fastener and the lamp frame is improved, and it is possible to make the lamp house smaller and thinner, which is advantageous in reducing the volume of the entire lamp.

Abstract: The present invention provides a method for producing high-quality light, wherein this high-quality light producing method consists of a plurality of particularly-designed process steps based on the sensitivity of human eyes and the melatonin suppression. So that, research and development engineers of lighting devices are able to manufacture a high-quality lighting unit or module through this novel method. Moreover, a variety of experimental data have proved that, the high-quality lighting unit produced by using this novel method is able to perform the advantages of high SRI (Spectrum Resemblance Index) and low MLT (Melatonin) suppression rate.

Abstract: The disclosure provides a double-side OLED display, the double-side OLED display includes a first light-emitting substrate, a second light-emitting substrate and a color film layer, the first light-emitting substrate and the second light-emitting substrate are disposed opposite, the color film layer is disposed between the first light-emitting substrate and the second light-emitting substrate, light from the first light-emitting substrate partially penetrates the color film layer and forms a second display image on a side of the second light-emitting substrate, light from the second light-emitting substrate partially penetrates the color film layer and forms a first display image on a side of the first light-emitting substrate. The disclosure is capable of simplifying the process and reducing the thickness of the product, meanwhile images on two sides do not influence each other during display on both sides, and directions of two images on both sides are identical.

Abstract: A fixing device includes a fixing rotator, a first heat generator and a second heat generator that heat the fixing rotator, and a support disposed inside the fixing rotator. A reflector, interposed between the support and each of the first heat generator and the second heat generator, reflects light radiated from the first heat generator and the second heat generator toward the fixing rotator. The reflector includes a body mounted on the support and a shield portion projecting from the body toward the first heat generator and the second heat generator to shield the fixing rotator from the first heat generator and the second heat generator. An electric circuit is connected to the first heat generator and the second heat generator. A heat generation restrainer is provided in the electric circuit to restrict heat generation in the electric circuit.

Abstract: A lighting device includes a heat sink including a first heat radiation part and a second heat radiation part; a light source module including a substrate disposed on the first heat radiation part, and a light emitting device disposed on the substrate; and a power supply unit which is disposed within the second heat radiation part and supplies power to the light source module. The second heat radiation part includes an inner portion receiving the power supply unit therewithin, an outer portion enclosing the inner portion, and a first receiver disposed between the inner portion and the outer portion. The first heat radiation part includes an upper portion which is disposed on the inner portion of the second heat radiation part and on which the substrate of the light source module is disposed, and a lower portion disposed in the first receiver of the second heat radiation part.

Abstract: An LED lamp includes an elongated at least partially optically transmissive enclosure. The LEDs are mounted on an LED board. The enclosure has a support structure for supporting the LED board. The support structure is formed as one-piece with the enclosure and of an optical material. A pair of end caps are secured to the ends of the enclosure using a snap-fit connection. The end caps retain pins for connecting to a light fixture.

Abstract: A luminaire may include an electrical base, an optic defining an optical chamber, an intermediate member that may be positioned between the electrical base and the optic, and a light source. The intermediate member may include a main body and a plurality of structural supports that may be connected to the main body which may be configured to carry an upper member. A plurality of voids may be positioned between the respective plurality of structural supports to position the optical chamber in optical communication with the environment surrounding the luminaire therethrough. The upper member may be configured to carry the optic and the light source may be electrically coupled to the electrical base and may be positioned within the optical chamber. The optic may be configured to redirect at least a portion of light incident thereupon in the direction of the plurality of voids.

Abstract: A backlight module includes a back plate, an optical film, a light source and optical microstructures. The back plate has a supporting surface. The optical film is disposed on the back plate. The supporting surface and the optical film have a gap therebetween. The light source disposed on the supporting surface is adapted to emit light toward the optical microstructures. Each optical microstructure includes first and second transparent structures. The first transparent structure connected to the supporting surface has front and rear ends. The front end facing toward the light source has a first concave surface. The rear end facing away from the light source has a convex surface. The second transparent structure connected to the first transparent structure has front and rear surfaces tilted in relative to the supporting surface. The front surface faces toward the light source, and the rear surface faces away from the light source.

Abstract: The present invention relates to a novel arrangement of light cells on a flexible or solid background into a smart multi-dimensional light source capable of unlimited configuration, which comprises of a mother cell that is connected to one source of electrical power and gets charged, subsequently charging all the other light cells and thus illuminating the entire light source with unlimited configuration, and which is capable of being wirelessly switched on or off by means of a smart phone device.

Abstract: According to one embodiment, a light-emitting module includes a rectangular substrate, at least two light-emitting circuits and inter-module connection part. The light-emitting circuit connects plural light-emitting elements in a longitudinal direction of the substrate. The inter-module connection parts include respective pairs of electrodes connected with the respective light-emitting circuits on an end of the substrate in the longitudinal direction. The respective pairs of electrodes are arranged to be closer to side parts of the substrate in a short direction thereof than an arrangement area of the light-emitting elements and are arranged side by side in the longitudinal direction of the substrate.

Abstract: In a light emitting device, a substrate on which LEDs are arranged in line is used as a light source used for the sidelight of an illuminating apparatus serving as a backlight of sidelight type. The frame of the LED includes a first portion, a second portion, and a third portion. The second and third portions are arranged on both sides of the first portion. The length of the longest part of the first portion in a first direction d1 in which the LEDs are arranged is larger than the length of the longest part of each of the second portion and the third portion. Each of the second portion and the third portion has a part having a length in the first direction d1 shorter than the length al of the longest part of the first portion in the first direction d1.

Abstract: An organic light emitting display device includes a plurality of sub-pixels arranged in a substantially hexagonally-shaped structure, each of the sub-pixels including a corresponding one of a plurality of organic light emitting devices, wherein the plurality of sub-pixels includes a plurality of first sub-pixels for emitting light of a first color, a plurality of second sub-pixels for emitting light of a second color, and a plurality of third sub-pixels for emitting light of a third color, and wherein centers of adjacent ones of the first, second, and third sub-pixels form a triangle having one of three sides that is shorter than the other two of the sides.

Abstract: An organic light emitting display device includes a plurality of sub-pixels arranged in a substantially hexagonally-shaped structure, each of the sub-pixels including a corresponding one of a plurality of organic light emitting devices, wherein the plurality of sub-pixels includes a plurality of first sub-pixels for emitting light of a first color, a plurality of second sub-pixels for emitting light of a second color, and a plurality of third sub-pixels for emitting light of a third color, and wherein centers of adjacent ones of the first, second, and third sub-pixels form a triangle having one of three sides that is shorter than the other two of the sides.

Abstract: An LED-UV lamp that is easily interchangeable within a UV-curing process and scalable in length with a fine resolution so that it is easily customizable to any UV-curing application. The LED-UV lamp may incorporate multiple rows of LEDs and contain corresponding optics that effectively deliver radiant power to a substrate at distances of several inches.

Abstract: An organic light emitting display device includes a plurality of sub-pixels arranged in a substantially hexagonally-shaped structure, each of the sub-pixels including a corresponding one of a plurality of organic light emitting devices, wherein the plurality of sub-pixels includes a plurality of first sub-pixels for emitting light of a first color, a plurality of second sub-pixels for emitting light of a second color, and a plurality of third sub-pixels for emitting light of a third color, and wherein centers of adjacent ones of the first, second, and third sub-pixels form a triangle having one of three sides that is shorter than the other two of the sides.

Abstract: An electron emission source includes nano-sized acicular materials and a cracked portion formed in at least one portion of the electron emission source. The acicular materials are exposed between inner walls of the cracked portion. A method for preparing the electron emission source, a field emission device including the electron emission source, and a composition for forming the electron emission source are also provided in the present invention.

Abstract: An electroluminescent article is described, wherein the article includes one or more electroluminescent structures, which may in some embodiments be discontinuous from each other. The article further includes one or more retroreflective structures and, optionally, a removable carrier film disposed over the electroluminescent structures and the retroreflective structures. In some embodiments, the retroreflective structures may be disposed at least partially in the light path capable of being emitted by one or more of the electroluminescent structures. Exemplary articles may, optionally, include connectors between electroluminescent structures that comprise conductive adhesive. Exemplary articles according to the present disclosure may be disposed in roll form. The present disclosure also includes methods for making such articles.

Abstract: A lamp assembly provides both instantlight through use of an incandescent/halogen lamp source and an energy saving type light provided by a compact fluorescent lamp source. Both light sources are fixed within the assembly by a fixing mechanism that spaces the lights sources from each other such that heat from one source does not negatively affect the second light source or any other portion of the assembly.

Abstract: Provided is a multi-display apparatus and a method of manufacturing the multi-display apparatus. The multi-display apparatus includes a plurality of display panels displaying images and a stepped portion formed in at least one of a pair of adjacent display panels so as to be indented in a thickness direction of the one of a pair of adjacent display panels. The pair of adjacent display panels is engaged with each other in the stepped portion.

Abstract: The invention is directed to a lamp assembly, and particularly to a method of fixing a first light source and a second light source in a single lamp assembly. More specifically, the invention provides a lamp assembly and a mechanism for fixing at least two light sources therein, at least one of which is a compact fluorescent light source, an incandescent light source, or a halogen light source, and where the fixing mechanism used involves soldering the lead-in wires of the second light source to a printed circuit board of the lamp assembly, which is in operative connection with the lamp ballast.

Abstract: A display device includes: a pixel area comprising pixels in rows and columns; main power lines at a first side of the pixel area and a second side of the pixel area facing the first side; first sub-power lines coupled to a first main power line of the main power lines formed at the first side and extending into the pixel area in a column direction; and second sub-power lines coupled to a second main power line of the main power lines formed at the second side and extending into the pixel area in the column direction, wherein the first sub-power lines and the second sub-power lines extend in different columns of pixels, and wherein a column of pixels of the pixels are alternatingly coupled to a neighboring sub-power line of the first sub-power lines and a neighboring sub-power line of the second sub-power lines.

Abstract: The present invention relates to a light emitting device (30) having at least a first (10) and a second light emitting element (20), with the first light emitting element (10) emitting a first light (1) and the second light emitting element (20) emitting a second light (2), each light emitting element (10,20) being an OLED (10,20), the OLED (10,20) comprising a sandwich structure with a substrate (14,24), a first (11,21) and a second electrode (12,22) and an organic layer (13,23) being provided between the first (11,21) and the second electrode (12,22), a light (3) leaving the light emitting device (30), wherein at least a part of said light (3) is provided by a superposition of the first (1) and the second light (2).

Abstract: There are provided a display apparatus that can display an image having higher resolution feeling while solving the problem of patterning precision for sub pixels which is difficult to obtain in production, and a production method thereof.