Abstract: A Chip-on-Board (COB) display module is provided, which includes a Printed Circuit Board (PCB) a plurality of Light-Emitting Diode (LED) luminous units, a packaging adhesive layer and a light shielding layer wherein the plurality of LED luminous units are mounted and fixed on the PCB, the packaging adhesive layer covers the PCB and wraps the LED luminous units thereon, a liquid passage is provided in the packaging adhesive layer between every two adjacent LED luminous units, and the light shielding layer fills the liquid passage. The COB display module further includes a reflecting layer, and the reflecting layer covers two sidewalls of the liquid passage, and is positioned between the packaging adhesive layer and the light shielding layer. A manufacturing method for the COB display module is also disclosed.

Abstract: Provided is a LED device and a backlight module. The LED device comprises a bracket, a LED chip and an encapsulation layer. A reflective cup is arranged on the bracket, and the LED chip is arranged in the reflective cup. The encapsulation layer encases and encapsulates the LED chip in the reflective cup, the encapsulation layer has a top surface of the encapsulation layer. The top surface of the encapsulation layer is located above a top surface of the reflective cup, and is a lens curved surface. In an on-state, the LED device has virtual cross sections passing through a geometrical center of the LED chip and perpendicular to a top surface of the bracket, in at least one of the virtual cross sections of the LED device, the LED device has luminous efficiency greater than or equal to 95% within a beam angle of at least 60°.

Abstract: Provided is a LED backlight module, display screen and detection method of a LED backlight module. The LED backlight module includes a substrate and multiple LED chips arranged on the substrate, one first detection group is arranged on the substrate for each LED chip of more than one LED chip arranged at an interval of N LED chips connected in series, where N is greater than or equal to 0, the first detection group includes a first positive electrode detection point and a first negative electrode detection point, the first positive electrode detection point and the first negative electrode detection point of the first detection group are respectively connected to a positive electrode and a negative electrode of the each LED chip.

Abstract: Provided is a light-emitting diode (LED) display unit group and a display panel. The LED display unit group includes a circuit board, and a pixel unit array located on the circuit board. The pixel unit array includes a plurality of pixel units arranged in n rows and m columns, n and m are both positive integers and greater than or equal to 2. Each of the pixel units includes multiple LED light-emitting chips of at least two colors, each of the LED light-emitting chips includes an electrode A and an electrode B of opposite polarities. The LED light-emitting chip of each of the pixel units includes at least one dual-electrode chip, the dual-electrode chip has the electrode A and the electrode B located on a same side of the dual-electrode chip. All dual-electrode chips in the plurality of pixel units of a same color have connecting lines from the electrode A to the electrode B directed in a same direction.

Abstract: Provided are an LED holder, an LED device and an LED display screen. The LED holder includes a metal frame and a cup cover wrapping the metal frame. The cup cover includes a reflective cup. The cup cover has a first lateral surface and a second lateral surface disposed opposite to each other. A height of the first lateral surface is greater than a height of the second lateral surface. The metal frame includes metal pins exposed outside the cup cover and disposed on the first lateral surface and/or the second lateral surface. The bottom of the cup cover is of a sloping structure, so that the light emitted by an LED chip in the reflective cup propagates along a specified direction.

Abstract: The disclosure provides an LED display unit group and display panel, including a pixel unit array of n rows and m columns of pixel units. n and m are positive integers not less than 2. Each pixel unit includes a first, a second and a third LED chip. In the i-th row, the A-electrodes of all the LED chips in m pixel units are connected together, and are electrically connected to the i-th common A-electrode pin. In the j-th column, the B-electrodes of n first LED chips are connected together and are electrically connected to the j-th first B-electrode pin, the B-electrodes of n second LED chips are connected together and electrically connected to the j-th second B-electrode pin, and the B-electrodes of n third LED chips are connected together and are electrically connected to j-th third B-electrode pin of the LED display unit group.

Abstract: The disclosure provides an LED display unit group and display panel, including a pixel unit array of n rows and m columns of pixel units. n and m are positive integers not less than 2. Each pixel unit includes a first, a second and a third LED chip. In the i-th row, the A-electrodes of all the LED chips in m pixel units are connected together, and are electrically connected to the i-th common A-electrode pin. In the j-th column, the B-electrodes of n first LED chips are connected together and are electrically connected to the j-th first B-electrode pin, the B-electrodes of n second LED chips are connected together and electrically connected to the j-th second B-electrode pin, and the B-electrodes of n third LED chips are connected together and are electrically connected to j-th third B-electrode pin of the LED display unit group.

Abstract: Provided are an LED holder, an LED device and an LED display screen. The LED holder includes a metal frame and a cup cover wrapping the metal frame. The cup cover includes a reflective cup. The cup cover has a first lateral surface and a second lateral surface disposed opposite to each other. A height of the first lateral surface is greater than a height of the second lateral surface. The metal frame includes metal pins exposed outside the cup cover and disposed on the first lateral surface and/or the second lateral surface. The bottom of the cup cover is of a sloping structure, so that the light emitted by an LED chip in the reflective cup propagates along a specified direction.

Abstract: An LED bracket, LED bracket array, LED device and LED display screen are disclosed. The LED bracket includes a PCB circuit substrate and an insulating material. The PCB circuit substrate includes at least two electrically insulated electrode regions. Each electrode region includes a top electrode region, a side electrode region and a bottom electrode region. The side electrode region connects the top electrode region and the bottom electrode region into an integrated structure. The side electrode region is a side surface sunk from outside to an inner part of the PCB circuit substrate. The insulating material is filled in the side electrode region. An upper end surface and a lower end surface of the insulating material do not exceed an upper surface and a lower surface of the PCB circuit substrate. A thickness of the insulating material is less than a thickness of the PCB circuit substrate.

Abstract: An LED device, a method for manufacturing an LED device, and an LED display module are provided. The LED device includes an LED bracket, an LED chip and an encapsulation sealant. The LED bracket includes a metal bracket and a cup cover encasing the metal bracket. The cup cover includes a reflective cup having a cavity. The LED chip is fixed in the cavity of the reflective cup. The cavity of the reflective cup is filled with the encapsulation sealant. The encapsulation sealant includes an under sealant and a surface sealant. The under sealant covers the LED chip, and the surface sealant covers the under sealant. The under sealant is a transparent layer. The surface sealant is a matte layer.

Abstract: An LED bracket, an LED device and an LED display screen are disclosed. The LED bracket includes a metal bracket and a cup cover wrapping the metal bracket. The metal bracket includes a first metal pin embedded into the cup cover and a second metal pin exposed from the cup cover. A part, located on a top of the second metal pin, in the cup cover is a reflection cup. A light absorbing layer is disposed on a part of an outer side face of the reflection cup.

Abstract: A light emitting diode (LED) support frame (10), LED device adopting the same, and LED display module. The LED support frame (10) comprises a base board (101) and a reflection cup (102). A light converging component (103) is arranged on the reflection cup (102). A concave light converging surface (1030) is provided at a side of the light converging component (103) and adjacent to a reflection cup mouth (1021). A part of a light beam emitted from an LED chip is directed to the light converging surface (1030), reflected by the light converging surface (1030), and finally converged with other light beams emitted from the LED chip to focus at a visual field observed by an observer. Therefore, the embodiment effectively reduces optical loss of lights from different directions in the light converging component (103).

Abstract: A triangular-combination LED circuit board, comprising a plurality of triangular LED units, wherein vertexes of every six of the LED units are superimposed to jointly form a hexagonal central point such that every six of the LED units form a hexagonal LED array; the LED unit includes a substrate and pads disposed on the substrate; the pads include die bond pads; and three die bond pads are provided, respectively disposed at three vertexes of the triangular LED units. In the present invention, triangular LED units are set to form triangular LED devices which can be more densely arrayed on a PCB, so an LED display with LED devices arrayed at a smaller distance is generated, and pixel definition is strengthened.

Abstract: A light emitting diode (LED) light device is provided, which includes an LED light and an LED light driving device connected with the LED light. A power regulating module in the LED light driving device includes at least two equivalent resistors connected in parallel and a dip switch arranged in a branch where each of the equivalent resistors is located, the LED light may be regulated to output different power through different combinations of on-off states of the dip switches. The dip switches are arranged at an opening on a surface of the housing.

Abstract: A manufacture method for a surface mounted power LED support comprises providing a wiring board having both sided metal layers. In addition, the method comprises forming a hole. Further, the method comprises setting a metal layer in the surface of the hole. Still further, the method comprises thickening the metal layer of the wiring board. The method also comprises etching the metal layer of the wiring board. Moreover, the method comprises cutting the wiring board to form single support unit. A surface mounted power LED support comprises a both sided wiring board, a hole formed in the wiring board and wiring layers set on the surface of the wiring board.

Abstract: Disclosed is a large-angle LED lens including a main body which has an incident surface on the inner side of the main body and an exit surface on the outer side thereof. The surfaces are provided symmetrically about the central axis of the main body. The incident and exit surfaces are transparent concave and convex surfaces, respectively. The maximum thickness d1 of the main body at the lower part and the minimum thickness d2 thereof at the top satisfy the relation: 4<d1/d2<6; the concave depth h1 of the concave surface and the thickness d2 satisfy the relation: h1>4*d2; and the convex height h2 of the convex surface and the thickness d2 satisfy the relation: h2>5*d2. With the disclosure, the light-emitting angle is increased while maximizing the utilization of the light. A large-angle emission LED light source module is also disclosed herein.

Abstract: The present invention relates to lighting assemblies and more particularly to light emitting diode (LED) light bulbs comprising a support for one or more LED lenses, which can be used to position and support the lenses within the lamp housing and which facilitate assembly of the light bulbs during manufacturing.

Abstract: A manufacture method for a surface mounted power LED support comprises providing a wiring board having both sided metal layers. In addition, the method comprises forming a hole. Further, the method comprises setting a metal layer in the surface of the hole. Still further, the method comprises thickening the metal layer of the wiring board. The method also comprises etching the metal layer of the wiring board. Moreover, the method comprises cutting the wiring board to form single support unit. A surface mounted power LED support comprises a both sided wiring board, a hole formed in the wiring board and wiring layers set on the surface of the wiring board.

Abstract: The present invention relates to lighting strips and more particularly to modular lighting systems comprising lighting devices, for example, lighting strips, physically and electrically connectable with one another by way of a plug and socket integrally formed at opposing ends of the lighting strips. The lighting strip devices can be made of flexible material to allow for applying the lighting devices along flat as well as contoured surfaces. The lighting strips can also be rigid. More particularly, embodiments of the invention include modular lighting strips comprising: a non-conductive substrate strip comprising an electrical circuit; a plurality of light sources operably connected to the electrical circuit; a plug integrally formed at an end of the substrate strip; and a socket integrally formed at an opposing end of the substrate strip; wherein the plug and socket provide for removable, friction-fit, latch or latchless, and electrical interconnection of two or more circuits.