Ledman Group won a US patent and six Chinese patents recently

Recently, Ledman received seven patent certificates, of which, "LED AND LED PACKAGING METHOND THEREOF" is one of the US patents for invention (Utility Patent), "Latch Kit, Display Modules and Display Devices", "Light-emitting Diodes, LED Module and LED Display", "a Protective Mechanism and Display", "Chip-level LED Packaging Components and LED Display Device", "Fixture for Clamping PCB Board" and "LED Packaging Components and LED Display Device" are China utility model patents.

The US patent "LED AND LED PACKAGING METHOND THEREOF" is one of the core technology products developed by Ledman Group over three years - "asymmetric" DIP LED components. Firstly, compared with the traditional DIP LED display, the LED display manufactured with the asymmetric DIP LEDs can save more than 30% energy, significantly reducing the operating costs of advertising operators; Secondly, the asymmetric DIP LED display also has a better viewing effect than the traditional DIP LED display. The downward viewing angle of Ledman's asymmetric DIP LED is up to 40 °, while the traditional DIP LED only has a downward viewing angle of 25 °. Finally, the LED display with asymmetric DIP LEDs has a significant reduction in light pollution compared to the traditional LED displays. In the upper viewing angle range, different viewing angles can be reduced by 10% to 50% of light pollution. In the downward invalid visual range, it can reduce light pollution 10% -60%.The reduction of light pollution on the asymmetric DIP LEDs is obvious. This US patented invention will enrich Ledman’s core intellectual property rights and improve the technical content of their independent R&D products.

The utility model patent “Latch Kit, Display Modules and Display Devices "discloses a latch kit, display module and display devices. The latch kit includes a base and the latch fitting rotatably mounted on the base.The base being provided with a shaft hole, the latch fitting comprises a rotating arm, a first cylinder and a second cylinder. The first cylinder and the second cylinder are arranged on two opposite sides of one end of the rotating arm; the first cylinder is rotatably housed in the shaft hole, and the first cylinder’s rotation distance is limited.The second cylinder is provided with a drive portion at the remote end the rotation arm, and the drive unit is for driving to rotate the latch fitting. The LED modules can be installed and disassemblyon the cabinets by the latch kit, which can improve the assembly and maintenance efficiency and reduce the labor cost.

The utility model patent "Light-emitting Diodes, LED Module and LED Display" discloses a kind of LED, which comprises a lens and a light emitting component partially housed in the lens The lens comprises the light-out part at the top of the light emitting component; the light emitting component comprises a chip and the positive and negative pins.The light-out part shows irregular spherical cap.The first cross section is formed by the first plane subsection of the light-out part. The first plane passes the chip’s normal, and is perpendicular to the plane formed by the positive and negative pin. The first cross section is symmetric based on normal. The second cross section is formed by the second plane subsection of the light-out part. The second plane passes the normal and is perpendicular to the first plane. The second cross section is asymmetrical based on the normal. The LED provided by the utility model does not need any external light-blocking process, reducing the optical loss while saving energy. The utility model also discloses an LED module and display manufactured with the above-mentioned LEDs.

The utility model patent “A Protective Mechanism and a Display” disclose a protective mechanism and display, where in the protective mechanism includes a main body, aninstallation part and a corner protection component. The main body is mounted on the object to be protected by theinstallation part and connected with the corner protection component. The main body has at least two states in use. In one condition, the free end of the main body is close to the protected object and is in the first relative position, at which time the main body is prevented from being rotated by the protected object with the help of the corner protection component.In another condition, the free end of the main body is in the second relative position subjected to external force, at which time the main body is also prevented from being rotated by the protected object with the help of the corner protection component. This utility model protection mechanism can effectively protect the side of the protected object and the display surface (light emitting surface) from collision.

The utility model patent "Chip-level LED Packaging Components and LED Display Device" discloses a chip-level LED packaging components and LED display device, where the chip-level LED packaging components include flip chips.Coated layer will be coated on that flip chips; marking on that coated layer for identifying the positive and negative electrodes of that flip chip. This utility model can judge the positive or negative pole of the flip chip by marking on the coating layer, which can be used to quickly distinguish the positive and negative electrodes and improve the production efficiency when applied to the application end.

The utility model patent "Fixture for Clamping PCB Board" discloses a jig for holding a PCB board, where in the jig comprises a frame for fixing on anassembly line and the clamp kit on the side of the frame. There is an inwardly extended bearing parton the medial surface for carrying and enclosing the PCB board; the frame comprises four borders, two opposite borders are for a couple. Each couple borders are provided with at least one couple of clamp kits. Where in the clamp kits are arranged on the two opposite borders and cooperate with the bearing part, for holding the both sides of the PCB board. This utility model fixture improves the stability of the PCB board on the assembly line of the automatic DIP equipment and prevents the PCB board from being shifting.

The utility model patent "LED Packaging Components and LED Display Device" discloses a kind of LED packaging components and a LED display device, where in the LED packaging components includes a bracket, a chip and a lens. The bracket includes a cup, a first pin and a second pin setting alternatively. The cup is placed at one end of the first pin, and the chip is mounted in the cup. The cup, part of the first pin and the second pin will be encapsulated in the lens. The first pin being bent so that the normal of the chip in the cup is offset from the center line of the lens. This LED packaging component of the utility model sets the first pin by bending, so that the light emission range is inclined in the preset direction, thereby increasing the range of the required viewing angle without using the mold.

The seven patent certificates are the recognition to Ledman on its independent R & D capability on LED industry from the US Patent and Trademark Office and the State Intellectual Property Office. I believe that Ledman will achieve more impressive achievements on the patent licensing in the future.