CN-121985654-A - High-voltage built-in IC digital LED

Abstract

The application relates to the technical field of digital LEDs, in particular to a high-voltage built-in IC digital LED. The LED lamp comprises a support, wherein a containing groove is formed in the support, a circuit board is arranged on the groove wall at the bottom of the containing groove, a control IC and 3 or more LED chips with working voltage more than or equal to 6V are mounted on the circuit board, the control IC is electrically connected with the LED chips, a plurality of baffles are arranged in the containing groove to separate adjacent LED chips, powder-spraying grooves are formed between the adjacent baffles, different colors of light emission of the LED chips are realized through powder spraying, one electrode of the circuit board is connected with all LED anodes, and all the LED chips adopt a blue LED chip and fluorescent powder coating technology to realize target color light and at least comprise red, green and blue light output capacity. The application realizes stable electric connection through reasonable structural design and chip technology, meets the output requirements of different colors of light, and can drive the LED chips to be mixed to realize the change of any color.

Inventors

• YIN HUAPING

Assignees

• 东莞市华彩威科技有限公司

Dates

Publication Date

20260505

Application Date

20251113

Claims (9)

1. 1. The utility model provides a built-in IC digital LED of high voltage, its characterized in that, including support (1), be provided with accommodation groove (2) on support (1), accommodation groove (2) bottom cell wall is provided with circuit board (3), control IC (4) and 3 or more LED chips (5) are installed to circuit board (3), control IC (4) with LED chip (5) electricity is connected, still be provided with a plurality of baffles (6) in accommodation groove (2), baffle (6) are with two adjacent LED chip (5) separate, two adjacent form some powder groove (7) between baffle (6), through the realization of some powder in some powder groove (7) the different colours of LED chip (5) give out light, the operating voltage of LED chip (5) is greater than or equal to 6V.
2. 2. The high voltage built-in IC digital LED of claim 1, wherein the circuit board (3) is a metal circuit connection layer extending through the bottom of the barrier (6) to the electrodes of each LED chip (5) forming a stable electrical connection unaffected by the physical isolation of the barrier (6).
3. 3. A high voltage built-in IC digital LED as claimed in claim 1, wherein, All the LED chips (5) adopt a blue LED chip and fluorescent powder coating technology to realize target color light; the LED chip (5) at least comprises red, green and blue light output capability.
4. 4. A high voltage built-in IC digital LED according to claim 1, characterized in that the cross-sectional height of the baffle (6) is larger than the cross-sectional height of the LED chip (5).
5. 5. The high-voltage built-in IC digital LED of claim 1, wherein said phosphor coating comprises red phosphor and green phosphor, respectively coated on blue LED chips in different dot reservoirs (7) to achieve red and green light output.
6. 6. The high-voltage built-in IC digital LED of claim 1, wherein at least one dot powder groove (7) is internally coated with white fluorescent powder, so that the corresponding blue LED chip outputs white light.
7. 7. The high-voltage built-in IC digital LED according to claim 1, wherein the number of the LED chips (5) is 4, and red, green, blue and white four-color lights are respectively outputted.
8. 8. The high voltage built-in IC digital LED of claim 1, wherein said control IC (4) has a decoding function, receives an external control signal, and drives the LED chip (5) to perform a trotting-up, dimming or color changing mode.
9. 9. A high voltage built-in IC digital LED according to claim 1, characterized in that the LED chip (5) has an operating voltage range of 6V-48V.

Description

High-voltage built-in IC digital LED Technical Field The application relates to the technical field of digital LEDs, in particular to a high-voltage built-in IC digital LED. Background Digital LEDs generally refer to LED devices for displaying digital characters, such as LED nixie tubes, which display numbers, letters, or simple symbols in combination by arranging Light Emitting Diodes (LEDs) to form a specific segment-like structure, and controlling the light emission of different segments. The technology is widely applied to instruments, calculators, electronic clocks and other devices. Currently, a digital LED device is generally designed in a 5V low-voltage mode, and an external DC-DC module is required for high-voltage application (such as 48V industrial illumination), so that the energy efficiency loss is more than 20%, and the complexity of PCB layout is increased. In addition, the three primary colors LED relies on red, green and blue independent light emitting chips, the hardware redundancy increases the cost by 30% -40%, and the wavelength matching process is difficult. Therefore, an industry needs a built-in IC scheme supporting high-voltage direct driving, and optimizes the cost of three primary colors through an integrated powder dropping process, but the contradiction between the light emitting and light mixing uniformity of different colors is not solved in the prior art. Disclosure of Invention The application aims to overcome the technical problems and provide the built-in IC digital LED with high voltage, which can realize high voltage and long-distance application, has small voltage drop, good consistency and effectively reduces cost. The utility model provides a built-in IC digital LED of high voltage, includes the support, be provided with the storage tank on the support, storage tank bottom cell wall is provided with the circuit board, control IC and 3 or more LED chips are installed to the circuit board, control IC with the LED chip electricity is connected, still be provided with a plurality of baffles in the storage tank, the baffle separates two adjacent the LED chip, two adjacent form some powder groove between the baffle, through be in some powder inslot some powder realize the different colours of LED chip shines, the operating voltage of LED chip is not less than 6V. By adopting the technical scheme, the control IC is electrically connected with the LED chips, so that the control of the LED chips can be realized, an external driving circuit and an additional driving program are not required, the use threshold is reduced, the LED chips are used immediately after connection, the adjacent LED chips are separated by the baffle plate, the mutual influence of light emitted by the LED chips can be avoided, the light emission of different colors of the LED chips is realized by the powder in the powder-dispensing groove, and the working voltage of the LED chips is more than or equal to 6V and can meet certain high-voltage working requirements. Preferably, the circuit board is a metal circuit connection layer, and extends to the electrode of each LED chip through the bottom of the baffle plate to form stable electric connection which is not affected by physical isolation of the baffle plate. By adopting the technical scheme, the circuit board is arranged as the metal circuit connecting layer, so that the metal circuit connecting layer penetrates through the bottom of the baffle and extends to the electrode of each LED chip, stable electric connection which is not influenced by physical isolation of the baffle can be formed, and the stable electric connection of the control IC and the LED chips is ensured. Preferably, all the LED chips adopt a blue LED chip and fluorescent powder coating technology to realize target color light, and the LED chips at least comprise red, green and blue light output capability. By adopting the technical scheme, the cost of the blue light LED chip is lower than that of other color light LED chips, white light or other color light can be emitted by matching with the fluorescent powder coating technology, and the LED chips can output red, green and blue light and other target color light with lower cost. Preferably, the cross-sectional height of the baffle is greater than the cross-sectional height of the LED chip. Through adopting above-mentioned technical scheme, set up the circuit board in the support accommodation groove, installation control IC and 3 or more operating voltage are not less than 6V's LED chip, control IC is connected with the LED chip electricity, set up the baffle in the accommodation groove and separate adjacent LED chip and form some powder grooves and be used for realizing the luminous of different colours, with the cross-section height of baffle being greater than the cross-section height of LED chip, can let the baffle not only satisfy not influencing each other when adjacent LED chip is luminous rationally, have advantage on the cost