WO2021042385A1 - 一种led模块及led显示装置 - Google Patents

一种led模块及led显示装置 Download PDF

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Publication number
WO2021042385A1
WO2021042385A1 PCT/CN2019/104765 CN2019104765W WO2021042385A1 WO 2021042385 A1 WO2021042385 A1 WO 2021042385A1 CN 2019104765 W CN2019104765 W CN 2019104765W WO 2021042385 A1 WO2021042385 A1 WO 2021042385A1
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Prior art keywords
led
leds
red
green
blue
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PCT/CN2019/104765
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English (en)
French (fr)
Inventor
陈靖中
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重庆康佳光电技术研究院有限公司
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Priority to PCT/CN2019/104765 priority Critical patent/WO2021042385A1/zh
Priority to CN201980001634.XA priority patent/CN110709917B/zh
Priority to US17/256,149 priority patent/US20220328458A1/en
Publication of WO2021042385A1 publication Critical patent/WO2021042385A1/zh

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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
    • H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
    • H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
    • H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
    • H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/15—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components with at least one potential-jump barrier or surface barrier specially adapted for light emission
    • H01L27/153—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components with at least one potential-jump barrier or surface barrier specially adapted for light emission in a repetitive configuration, e.g. LED bars
    • H01L27/156—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components with at least one potential-jump barrier or surface barrier specially adapted for light emission in a repetitive configuration, e.g. LED bars two-dimensional arrays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
    • H01L25/16—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits
    • H01L25/167—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits comprising optoelectronic devices, e.g. LED, photodiodes

Definitions

  • the invention relates to the field of LEDs, in particular to an LED module and an LED display device.
  • the LED module refers to a product formed by arranging a certain number of light-emitting diodes on a circuit substrate according to a rule, and then encapsulating them.
  • Existing LED modules usually use the three colors of RGB to achieve the visual effect of mixing and white light. However, if the color contrast effect of the RGB three-color display is close, as shown in Figure 1, the color contrast of the LED module will be poor. And the visual prominence is not good.
  • the purpose of the present invention is to provide an LED module and an LED display device, which aims to solve the problems of poor color contrast and poor visual prominence of the existing LED modules.
  • An LED module which includes a circuit substrate, and a red LED, a green LED, and a blue LED arranged on the circuit substrate, and the red LED, the green LED, and the blue LED have at least one color LED If the number is greater than 1, the red LEDs, green LEDs and blue LEDs are arranged in the same row or column, and LEDs of the same color are arranged adjacently.
  • the LED module includes two red LEDs, one green LED and one blue LED, the two red LEDs are arranged adjacently, and the one green LED and one blue LED are respectively arranged on the On both sides of two adjacent red LEDs.
  • the LED module includes two green LEDs, one red LED and one blue LED, the two green LEDs are arranged adjacently, and the one red LED and one blue LED are respectively arranged on the On both sides of two adjacent green LEDs.
  • the LED module includes two red LEDs arranged adjacently, two green LEDs arranged adjacently and one blue LED, the two adjacently arranged red LEDs and two adjacently arranged Two green LEDs are located on both sides of the blue LED.
  • the distance between the LEDs of the same color is d
  • the distance between the LEDs of different colors is D
  • the d is smaller than D.
  • the distance between the light emitting surface of the same color LEDs with a number greater than 1 and the circuit substrate is H, and the distance between the light emitting surface of the LEDs with a number of 1 and the circuit substrate is h, and h is less than H.
  • An LED module which includes a circuit substrate, and at least four red LEDs, at least four green LEDs, and at least four blue LEDs arranged on the circuit substrate, the red LEDs being n*m
  • blue LEDs and green LEDs are arranged on both sides of each row of red LEDs
  • blue LEDs and green LEDs are arranged on both sides of each column of red LEDs
  • the n and m are both greater than or equal to 2.
  • the same side of the red LED is a blue LED and a green LED arranged at intervals.
  • the same side of the red LEDs is adjacently arranged blue LEDs or adjacently arranged green LEDs.
  • the LED module includes four red LEDs, four green LEDs and four blue LEDs, the four red LEDs are arranged in a 2*2 matrix, the first row of red LEDs and the second row The left and right sides of the red LED are respectively provided with a green LED and a blue LED. The upper and lower sides of the first row of red LEDs and the second row of red LEDs are respectively provided with a green LED on the left and right sides respectively. A green LED and a blue LED are provided.
  • the LED module includes four red LEDs, four green LEDs and four blue LEDs, the four red LEDs are arranged in a 2*2 matrix, and the left and right sides of the first row of red LEDs A blue LED and a green LED are respectively provided.
  • the left and right sides of the second row of red LEDs are respectively provided with a green LED and a blue LED, and the upper and lower sides of the first row of red LEDs are respectively provided with a blue LED And a green LED, the upper and lower sides of the second row of red LEDs are respectively provided with a green LED and a blue LED.
  • the distance between the red LED is d
  • the distance between the red LED and the blue LED and the distance between the red LED and the green LED is D
  • the d is smaller than D
  • the LED module wherein the distance between the light emitting surface of the red LED and the circuit substrate is H, the distance between the light emitting surface of the blue LED and the green LED and the circuit substrate is h, and the h is less than H .
  • An LED display device which includes the LED module according to the present invention.
  • the present invention adjusts the number of RGB three-color LEDs in the LED module and arranges their positions, which can achieve the effect of improving the color contrast and the brightness of the LED module.
  • Fig. 1 is a schematic diagram of the color contrast of a conventional LED module.
  • Fig. 2 is a side cross-sectional view of the first embodiment of an LED module of the present invention.
  • Fig. 3 is a side cross-sectional view of a second embodiment of an LED module of the present invention.
  • Fig. 4 is a side cross-sectional view of a third embodiment of an LED module of the present invention.
  • FIG. 5 is a schematic diagram of a top view angle structure of a fourth embodiment of an LED module of the present invention.
  • the present invention provides an LED module and an LED display device.
  • the present invention will be described in further detail below. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.
  • the existing LED modules have the problems of poor color contrast and poor visual prominence.
  • the effect of improving the color contrast can be achieved by controlling the current strength of the RGB three-color LED.
  • this improvement method not only requires a redesign of the circuit structure, but also requires a complex control scheme, which greatly increases the design cost and the operation complexity degree.
  • an embodiment of the present invention provides an LED module, which includes a circuit substrate, and a red LED, a green LED, and a blue LED arranged on the circuit substrate.
  • the red LED The number of LEDs of at least one color among the green LEDs and the blue LEDs is greater than one.
  • the red LEDs, the green LEDs and the blue LEDs are arranged in the same row or the same column, and the LEDs of the same color are arranged adjacently.
  • color contrast refers to the ratio between the brightest and darkest areas of the projected image.
  • the larger the ratio the more gradual levels from black to white, and the richer the color performance. Contrast has an impact on the visual effect. The impact is very important. Generally speaking, the greater the contrast, the clearer and more eye-catching the image, and the brighter the color; while the lower the contrast, the overall picture will be worse. Therefore, high contrast is very helpful for image clarity, detail performance, and gray level performance. The higher the contrast, the better the image effect, and the color will be more saturated. On the contrary, the low contrast will cause the picture to appear blurred and the color will not be vivid.
  • the intensity of light is inversely proportional to the wavelength of light.
  • the wavelength of the blue light ⁇ the wavelength of the green light ⁇ the wavelength of the red light. Therefore, in the LED module, the blue light intensity emitted by the blue LED is the largest, and the green LED emitted The intensity of green light is second, and the intensity of red light emitted by the red LED is the smallest.
  • the light intensity of the relatively weak LEDs is It is superimposed and can match the light intensity of another one or two relatively strong LEDs, so as to achieve the effect of improving the color contrast and luminous brightness of the LED module.
  • the LED module includes a circuit substrate 10, and two red LEDs 20, a green LED 30, and a blue LED 40 are provided on the circuit substrate 10.
  • Two red LEDs 20 are arranged adjacent to each other, and the one green LED 30 and one blue LED 40 are respectively arranged on both sides of the two adjacent red LEDs 20.
  • this embodiment sets two red lights in the LED module LED, and the two red LEDs are arranged adjacent to each other. Further, in order to improve the uniformity of white light in the LED module, in this embodiment, the one green LED and one blue LED are respectively arranged on both sides of the two adjacent red LEDs.
  • the distance between the two adjacent red light LEDs is set to d, and the red light LED and The distance between the green LEDs and the distance between the red LED and the blue LED are set to D, and the d is smaller than D.
  • the two adjacent red LEDs because the distance between the two adjacent red LEDs is smaller than the distance between the red LED and the green LED, and between the red LED and the blue LED, the two adjacent red LEDs The emitted red light is more concentrated, which enhances the display contrast of the red light, so that it can be matched with the blue display contrast of the blue LED and the green display contrast of the green LED, thereby improving the overall color contrast of the LED module.
  • the distance between the light emitting surface of the two adjacent red light LEDs and the circuit substrate is set to H, and the The distance between the light emitting surface of the blue LED and the green LED from the circuit substrate is h, and the h is less than H.
  • the height of the red LED is increased, so that the light emitting surface of the red LED is closer to the display screen, thereby enhancing the display contrast of the red light, making it compatible with the blue LED.
  • the emitted blue light display contrast and the green light display contrast emitted by the green LED are adapted to improve the overall color contrast of the LED module.
  • the height of the red LED is increased by increasing the preset substrate, so that the light emitting surface of the red LED is closer to the display screen, and the display contrast of the red light is enhanced, so that it can be compared with
  • the blue display contrast emitted by the blue LED and the green display contrast emitted by the green LED are adapted to improve the overall color contrast of the LED module.
  • the LED module includes two green LEDs, one red LED and one blue LED, the two green LEDs are arranged adjacent to each other, and the one red LED and one blue LED are respectively arranged at Both sides of the two adjacent green LEDs.
  • the intensity of green light emitted by the green LED is relatively weaker than that of blue light, in order to enhance the intensity of green light so that the LED module has a better color contrast, two LED modules are provided in this embodiment. Green LED, and the two green LEDs are arranged adjacent to each other. Further, in order to improve the uniformity of white light in the LED module, in this embodiment, the one red LED and one blue LED are respectively arranged on both sides of the two adjacent green LEDs.
  • the distance between the two adjacent green LEDs can also be set to be smaller than the distance between the green LED and the red LED, and between the green LED and the blue LED.
  • the distance makes the green light emitted by the two adjacent green LEDs more concentrated and enhances the display contrast of the green light, so as to be compatible with the blue display contrast emitted by the blue LED and the red light display contrast emitted by the red LED.
  • the overall color contrast of the LED module is improved.
  • the distance between the light emitting surface of the two adjacent green LEDs and the circuit substrate can be set to H, and the light emission of the blue LED and the red LED can be set.
  • the distance between the surface and the circuit board is h, and the h is less than H. Due to the increase in the height of the green LED, the light emitting surface of the green LED is closer to the display screen, thereby enhancing the display contrast of the green light, so that it can be compared with the blue display contrast emitted by the blue LED and the red light emitted by the red LED.
  • the light display contrast is adapted to improve the overall color contrast of the LED module.
  • the LED module includes two red LEDs arranged adjacently, two green LEDs arranged adjacently, and one blue LED, and the two red LEDs arranged adjacently and adjacently arranged The two green LEDs are located on both sides of the blue LED.
  • the LED module since the red light emitted by the red LED and the green light emitted by the green LED are weaker than the blue light, in order to enhance the light intensity of the red light and the green light, the LED module has a better color contrast.
  • two red LEDs and two green LEDs are arranged in the LED module, and the two green LEDs are arranged adjacent to each other, and the two red LEDs are also arranged adjacent to each other.
  • the two red LEDs and the two green LEDs are respectively arranged on both sides of the blue LED.
  • the distance between the two adjacent red light LEDs can also be set to be smaller than the distance between the blue LED and the red LED and the distance between the blue LED and the blue LED.
  • the distance between the green LEDs, the distance between the two adjacent green lights is set to be less than the distance between the blue LED and the red LED and the distance between the blue LED and the green LED, so that the two The green light emitted by two adjacent green LEDs and the red light emitted by two adjacent red LEDs are relatively concentrated, which enhances the display contrast of green and red light, so as to be compatible with the blue display contrast emitted by the blue LED.
  • the overall color contrast of the LED module is improved.
  • the distance between the light emitting surfaces of the two adjacent green LEDs and the two adjacent red LEDs and the circuit substrate can be set to H ,
  • the distance between the light emitting surface of the blue LED and the circuit substrate is set to h, and the h is less than H. Due to the increase in the height of the green LED and the red LED, the light emitting surface of the green LED and the red LED is closer to the display screen, thereby enhancing the display contrast of the green and red light, so that it can emit with the blue LED
  • the blue light display contrast adapts to improve the overall color contrast of the LED module.
  • another LED module which includes a circuit substrate, and at least four red LEDs, at least four green LEDs, and at least four blue LEDs arranged on the circuit substrate.
  • the red LEDs are arranged in a matrix of n*m
  • blue LEDs and green LEDs are arranged on both sides of each row of red LEDs
  • blue LEDs and green LEDs are arranged on both sides of each column of red LEDs.
  • m are both greater than or equal to 2. For a display device, the greater the number of LEDs included in a single pixel, the higher its brightness, color contrast, and resolution, and the better the display effect.
  • the LED module contains at least four red LEDs, at least four green LEDs, and at least four blue LEDs
  • it is necessary to LEDs of different colors are arranged and arranged. Since the light intensity of the red light is weaker than the light intensity of blue and green light, the red light LEDs are arranged in a matrix of n*m, and the blue light The green and green LEDs are arranged on the periphery of the red LED matrix to enhance the display contrast of red light and adapt to the display contrast of blue and green light, thereby improving the overall color contrast of the LED module.
  • the same side of the red LEDs are blue LEDs and green LEDs arranged at intervals.
  • the four sides of the red LED array are all blue LEDs and green LEDs arranged at intervals. Green LED.
  • the same side of the red LEDs is adjacently arranged blue LEDs or adjacently arranged green LEDs.
  • the right side of the red LED array is adjacently arranged green LEDs, and the red light
  • the upper side of the LED array is adjacently arranged blue LEDs
  • the lower side of the red LED array is adjacently arranged green LEDs.
  • the LED module includes four red LEDs, four green LEDs and four blue LEDs, the four red LEDs are arranged in a 2*2 matrix, and the first row of red LEDs The left and right sides of the second row of red LEDs are respectively provided with a green LED and a blue LED. The upper and lower sides of the first column of red LEDs and the second column of red LEDs are respectively provided with a green LED. A green LED and a blue LED are respectively arranged on the left and right sides.
  • the four red LEDs are arranged in a 2*2 matrix arrangement, and the red light Adjacently arranged blue LEDs or adjacently arranged green LEDs are arranged on the same side to enhance the display contrast of red light and adapt to the display contrast of blue and green light, thereby improving the overall color contrast of the LED module.
  • the LED module includes four red LEDs, four green LEDs and four blue LEDs, and the four red LEDs are arranged in a 2*2 matrix.
  • the left and right sides of the first row of red LEDs are respectively provided with a blue LED and a green LED.
  • the left and right sides of the second row of red LEDs are respectively provided with a green LED and a blue LED.
  • the first row of red LEDs is provided with a green LED and a blue LED.
  • a blue LED and a green LED are respectively arranged on the upper and lower sides of the second row of red LEDs, and a green LED and a blue LED are respectively arranged on the upper and lower sides of the second row of red LEDs.
  • the four red LEDs are arranged in a 2*2 matrix arrangement, and the red light
  • the four sides of the LED array are arranged as blue LEDs and green LEDs arranged at intervals to enhance the display contrast of red light and adapt to the display contrast of blue and green light, thereby enhancing the overall color contrast of the LED module.
  • the distance between the two adjacent red LEDs is set to d, and the red LED
  • the distance between the green LED and the distance between the red LED and the blue LED is set to D, and the d is smaller than D. Since the distance between the two adjacent red LEDs is smaller than the distance between the red LED and the green LED and between the red LED and the blue LED, the red light emitted by the two adjacent red LEDs is more concentrated Enhances the display contrast of red light, which can be matched with the blue display contrast emitted by the blue LED and the green display contrast emitted by the green LED, thereby improving the overall color contrast of the LED module.
  • the distance between the light emitting surface of the red LED and the circuit substrate is set to H, and the light emission of the blue LED and the green LED is set
  • the distance between the surface and the circuit board is h, and the h is less than H. Due to the increase in the height of the red LED, the light emitting surface of the red LED is closer to the display screen, thereby enhancing the display contrast of the red light, so that it can be compared with the blue display contrast emitted by the blue LED and the green light emitted by the green LED.
  • the light display contrast is adapted to improve the overall color contrast of the LED module.
  • an LED display device which includes the LED module of the present invention.
  • the LED display device may be any one of an LED display, an LED panel, and an LED light source, but it is not limited thereto.
  • the present invention provides an LED module, which includes a circuit substrate, and at least four red LEDs, at least four green LEDs, and at least four blue LEDs arranged on the circuit substrate.
  • the light LEDs are arranged in a matrix of n*m, blue LEDs and green LEDs are arranged on both sides of each row of red LEDs, blue LEDs and green LEDs are arranged on both sides of each row of red LEDs, and the n and m is greater than or equal to 2.
  • the invention can achieve the effect of improving the color contrast and luminous brightness of the LED module by adjusting the number and position of the RGB three-color LEDs in the LED module.

Abstract

一种LED模块及LED显示装置，包括电路基板（10），以及设置在电路基板（10）上的红光LED（20）、绿光LED（30）以及蓝光LED（40），红光LED（20）、绿光LED（30）以及蓝光LED（40）中至少有一种颜色的LED数量大于1，红光LED（20）、绿光LED（30）以及蓝光LED（40）设置在同一行或同一列，且相同颜色的LED相邻设置。通过对LED模块中的RGB三色LED进行数量的调整以及位置的排列，以达到提升LED模块颜色对比度以及亮度的效果。

Description

一种LED模块及LED显示装置 技术领域
本发明涉及LED领域，尤其涉及一种LED模块及LED显示装置。
背景技术
LED模块是指将一定数量的发光二极管按规则排列在电路基板上，再封装起来形成的产品。现有的LED模块通常利用RGB三色达到混光及白光的视觉效果，然而，若是RGB三色显示的颜色对比效果较接近，如图1所示，则会造成LED模块的色彩对比度较差，且视觉突出性不佳。
因此，现有技术还有待于改进。
发明内容
鉴于上述现有技术的不足，本发明的目的在于提供一种LED模块及LED显示装置，旨在解决现有LED模块的色彩对比度较差且视觉突出性不佳的问题。
本发明的技术方案如下：
一种LED模块，其中，包括电路基板，以及设置在所述电路基板上的红光LED、绿光LED以及蓝光LED，所述红光LED、绿光LED以及蓝光LED中至少有一种颜色的LED数量大于1，所述红光LED、绿光LED以及蓝光LED设置在同一行或同一列，且相同颜色的LED相邻设置。
所述的LED模块，其中，包括两个红光LED、一个绿光LED以及一个蓝光LED，所述两个红光LED相邻设置，所述一个绿光LED和一个蓝光LED分别设置在所述相邻两个红光LED的两侧。
所述的LED模块，其中，包括两个绿光LED、一个红光LED以及一个蓝光LED，所述两个绿光LED相邻设置，所述一个红光LED和一个蓝光LED分别设置在所述相邻两个绿光LED的两侧。
所述的LED模块，其中，包括相邻设置的两个红光LED、相邻设置的两个绿光LED以及一个蓝光LED，所述相邻设置的两个红光LED以及相邻设置的两个绿光LED位于所述蓝光LED的两侧。
所述的LED模块，其中，所述相同颜色的LED之间的距离为d，不相同颜色的LED之间的距离为D，所述d小于D。
所述的LED模块，其中，所述数量大于1的相同颜色LED的光发射面距离电路基板的距离为H，所述数量为1的LED的光发射面距离电路基板的距离为h，所述h小于H。
所述的LED模块，其中，所述电路基板上设置有高度为a的预设基板，所述数量大于1且高度为b的相同颜色的LED设置在所述预设基板上，所述a+b＝H。
一种LED模块，其中，包括电路基板，以及设置在所述电路基板上的至少四个红光LED、至少四个绿光LED以及至少四个蓝光LED，所述红光LED呈n*m的矩阵排列，每一行红光LED的两侧分别设置有蓝光LED和绿光LED，每一列红光LED的两侧分别设置有蓝光LED和绿光LED，所述n和m均大于等于2。
所述的LED模块，其中，所述红光LED的同一侧为间隔排列的蓝光LED和绿光LED。
所述的LED模块，其中，所述红光LED的同一侧为相邻排列的蓝光LED或相邻排列的绿光LED。
所述的LED模块，其中，包括四个红光LED，四个绿光LED以及四个蓝光LED，所述四个红光LED呈2*2矩阵排列，第一行红光LED和第二行红光LED的左右两侧均分别设置有一个绿光LED以及一个蓝光LED，第一列红光LED和第二列红光LED的上下两侧均分别设置有一个绿光LED的左右两侧分别设置有一个绿光LED以及一个蓝光LED。
所述的LED模块，其中，包括四个红光LED，四个绿光LED以及四个蓝光LED，所述四个红光LED呈2*2矩阵排列，第一行红光LED的左右两侧分别设置有一个蓝光LED以及一个绿光LED，第二行红光LED的左右两侧分别设置有一个绿光LED以及一个蓝光LED，第一列红光LED的上下两侧分别设置有一个蓝光LED以及一个绿光LED，第二列红光LED的上下两侧分别设置有一个绿光LED以及一个蓝光LED。
所述的LED模块，其中，所述红光LED之间的距离为d，所述红光LED与蓝光LED以及红光LED与绿光LED之间的距离为D，所述d小于D。
所述的LED模块，其中，所述红光LED的光发射面距离电路基板的距离为H，所述蓝光LED和绿光LED的光发射面距离电路基板的距离为h，所述h小于H。
一种LED显示装置，其中，包括如本发明所述的LED模块。
有益效果：本发明对LED模块中的RGB三色LED进行数量的调整以及位置的排列，可达到提升LED模块颜色对比度以及发光亮度的效果。
附图说明
图1为现有LED模块的色彩对比度示意图。
图2为本发明一种LED模块第一实施例的侧面剖视图。
图3为本发明一种LED模块第二实施例的侧面剖视图。
图4为本发明一种LED模块第三实施例的侧面剖视图。
图5为本发明一种LED模块第四实施例的的俯视角度结构示意图。
具体实施方式
本发明提供一种LED模块及LED显示装置，为使本发明的目的、技术方案及效果更加清楚、明确，以下对本发明进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
现有LED模块存在色彩对比度较差，以及视觉突出性不佳的问题。通过操控RGB三色LED的电流强弱可达到提升颜色对比度的效果，然而这种改进方式不仅需要对电路结构进行重新设计，还需要配合复杂的控制方案，这极大地增加了设计成本以及操作复杂度。
基于现有LED模块所存在的问题，本发明实施例提供一种LED模块，其包括电路基板，以及设置在所述电路基板上的红光LED、绿光LED以及蓝光LED，所述红光LED、绿光LED以及蓝光LED中至少有一种颜色的LED数量大于1，所述红光LED、绿光LED以及蓝光LED设置在同一行或同一列，且相同颜色的LED相邻设置。
具体来讲，色彩对比度是指投影图像最亮和最暗之间的区域之间的比率，比值越大，从黑到白的渐变层次就越多，从而色彩表现越丰富；对比度对视觉效果 的影响非常关键，一般来说对比度越大，图像越清晰醒目，色彩也越鲜明艳丽；而对比度小，则会让整个画面变差。因此，高对比度对于图像的清晰度、细节表现、灰度层次表现都有很大帮助，对比度越高图像效果越好，色彩会更饱和，反之对比度低则画面会显得模糊，色彩也不鲜明。光强与光的波长成反比，所述蓝光的波长﹤所述绿光的波长﹤所述红光的波长，因此所述LED模块中，蓝光LED发出的蓝光光强最大，绿光LED发出的绿光光强次之，红光LED发出的红光光强最小。
在本实施例中，通过增加LED模块中光强相对较弱的LED的数量，并将光强相对较弱的相同颜色的LED相邻设置，使得所述光强相对较弱的LED的光强叠加并能够匹配另外一种或两种光强相对较强的LED的光强，从而达到提升LED模块颜色对比度以及发光亮度的效果。
在一些实施方式中，如图2所示，所述LED模块包括电路基板10，以及设置在所述电路基板10上的包括两个红光LED20、一个绿光LED30以及一个蓝光LED40，所述两个红光LED20相邻设置，所述一个绿光LED30和一个蓝光LED40分别设置在所述相邻两个红光LED20的两侧。在本实施例中，由于红光LED发出的红光光强最弱，为了增强红光的光强从而使LED模块具有较佳的色彩对比度，本实施例在LED模块中设置了两个红光LED，且所述两个红光LED相邻设置。进一步地，为了提升LED模块中白光的均匀度，本实施例将所述一个绿光LED和一个蓝光LED分别设置在所述相邻两个红光LED的两侧。
在一些实施方式中，以图2所示的LED模块为例，为了增强红光的显示对比度，将所述两个相邻红光LED之间的距离设置为d，将所述红光LED与绿光LED之间的距离以及红光LED与蓝光LED之间的距离设置为D，所述d小于D。在本实施例中，由于所述两个相邻红光LED之间的距离小于红光LED与绿光LED以及红光LED与蓝光LED之间的距离，使得所述两个相邻红光LED发出的红光比较集中，增强了红光的显示对比度，从而能够与蓝光LED发出的蓝光显示对比度以及绿光LED发出的绿光显示对比度适配，进而提升LED模块的整体色彩对比度。
在一些实施方式中，以图2所示的LED模块为例，为了增强红光的显示对比度，设置所述两个相邻红光LED的光发射面距离电路基板的距离为H，设置 所述蓝光LED以及绿光LED的光发射面距离电路基板的距离为h，所述h小于H。如图3所示，在本实施例中，由于增加了红光LED的高度，使得红光LED的光发射面距离显示屏幕更近，从而增强了红光的显示对比度，使其能够与蓝光LED发出的蓝光显示对比度以及绿光LED发出的绿光显示对比度适配，进而提升LED模块的整体色彩对比度。
在一些实施方式中，如图4所示，所述电路基板10上设置有高度为a的预设基板50，将所述高度为b的红光LED设置在所述预设基板10上，所述a+b＝H。在本实施例中，通过增加预设基板的方式使所述红光LED的高度增加，从而使得红光LED的光发射面距离显示屏幕更近，增强了红光的显示对比度，使其能够与蓝光LED发出的蓝光显示对比度以及绿光LED发出的绿光显示对比度适配，进而提升LED模块的整体色彩对比度。
在一些实施方式中，所述LED模块包括两个绿光LED、一个红光LED以及一个蓝光LED，所述两个绿光LED相邻设置，所述一个红光LED和一个蓝光LED分别设置在所述相邻两个绿光LED的两侧。在本实施例中，由于绿光LED发出的绿光光强相对蓝光较弱，为了增强绿光的光强从而使LED模块具有较佳的色彩对比度，本实施例在LED模块中设置了两个绿光LED，且所述两个绿光LED相邻设置。进一步地，为了提升LED模块中白光的均匀度，本实施例将所述一个红光LED和一个蓝光LED分别设置在所述相邻两个绿光LED的两侧。
在本实施例中，为了增强绿光的显示对比度，同样可将所述两个相邻绿光LED之间的距离设置为小于绿光LED与红光LED以及绿光LED与蓝光LED之间的距离，使得所述两个相邻绿光LED发出的绿光比较集中，增强了绿光的显示对比度，从而能够与蓝光LED发出的蓝光显示对比度以及红光LED发出的红光显示对比度适配，进而提升LED模块的整体色彩对比度。
在本实施例中，为了增强绿光的显示对比度，还可设置所述两个相邻绿光LED的光发射面距离电路基板的距离为H，设置所述蓝光LED以及红光LED的光发射面距离电路基板的距离为h，所述h小于H。由于增加了绿光LED的高度，使得绿光LED的光发射面距离显示屏幕更近，从而增强了绿光的显示对比度，使其能够与蓝光LED发出的蓝光显示对比度以及红光LED发出的红光显示对比度适配，进而提升LED模块的整体色彩对比度。
在一些实施方式中，所述LED模块包括相邻设置的两个红光LED、相邻设置的两个绿光LED以及一个蓝光LED，所述相邻设置的两个红光LED以及相邻设置的两个绿光LED位于所述蓝光LED的两侧。在本实施例中，由于红光LED发出的红光以及绿光LED发出的绿光光强相对蓝光均较弱，为了增强红光和绿光的光强从而使LED模块具有较佳的色彩对比度，本实施例在LED模块中设置了两个红光LED和两个绿光LED，且所述两个绿光LED相邻设置，所述两个红光LED也相邻设置。进一步地，为了提升LED模块中白光的均匀度，本实施例将所述两个红光LED和两个绿光LED分别设置在所述蓝光LED的两侧。
在本实施例中，为了增强红光和绿光的显示对比度，同样可将所述两个相邻红光LED之间的距离设置为小于蓝光LED与红光LED之间的距离以及蓝光LED与绿光LED之间的距离，将所述两个相邻绿光之间的距离设置为小于蓝光LED与红光LED之间的距离以及蓝光LED与绿光LED之间的距离，使得所述两个相邻绿光LED发出的绿光以及两个相邻红光LED发出的红光均比较集中，增强了绿光和红光的显示对比度，从而能够与蓝光LED发出的蓝光显示对比度适配，进而提升LED模块的整体色彩对比度。
在本实施例中，为了增强红光和绿光的显示对比度，还可设置所述两个相邻绿光LED以及所述相邻两个红光LED的光发射面距离电路基板的距离为H，设置所述蓝光LED的光发射面距离电路基板的距离为h，所述h小于H。由于增加了绿光LED和红光LED的高度，使得绿光LED和红光LED的光发射面距离显示屏幕更近，从而增强了绿光和红光的显示对比度，使其能够与蓝光LED发出的蓝光显示对比度适配，进而提升LED模块的整体色彩对比度。
在一些实施方式中，还提供另一种LED模块，其包括电路基板，以及设置在所述电路基板上的至少四个红光LED、至少四个绿光LED以及至少四个蓝光LED，所述红光LED呈n*m的矩阵排列，每一行红光LED的两侧分别设置有蓝光LED和绿光LED，每一列红光LED的两侧分别设置有蓝光LED和绿光LED，所述n和m均大于等于2。对于显示装置而言，单个像素内包括的LED数量越多，其亮度、色彩对比度以及分辨率越高，显示效果越好。在本实施例中，当LED模块含有至少四个红光LED、至少四个绿光LED以及至少四个蓝光LED时，为了使所述LED模块具有最佳的色彩对比度，需要对LED模块中的不同颜 色的LED进行排列设置，由于所述红光的光强相对蓝光和绿光的光强较弱，通过将所述红光LED设置为呈n*m的矩阵排列，并将所述蓝光LED和绿光LED设置在所述红光LED矩阵的周边，以此来增强红光的显示对比度，并与蓝光和绿光的显示对比度适配，进而提升LED模块的整体色彩对比度。
在一些实施方式中，所述红光LED的同一侧为间隔排列的蓝光LED和绿光LED，在本实施例中，所述红光LED阵列的四个侧边均为间隔排列的蓝光LED和绿光LED。
在一些实施方式中，所述红光LED的同一侧为相邻排列的蓝光LED或相邻排列的绿光LED。在一些具体的实施方式中，当所述红光LED阵列的左侧为相邻排列的蓝光LED时，则所述红光LED阵列的右侧为相邻排列的绿光LED，所述红光LED阵列的上侧为相邻排列的蓝光LED，所述红光LED阵列的下侧为相邻排列的绿光LED。
在一些具体的实施方式中，所述LED模块包括四个红光LED，四个绿光LED以及四个蓝光LED，所述四个红光LED呈2*2矩阵排列，第一行红光LED和第二行红光LED的左右两侧均分别设置有一个绿光LED以及一个蓝光LED，第一列红光LED和第二列红光LED的上下两侧均分别设置有一个绿光LED的左右两侧分别设置有一个绿光LED以及一个蓝光LED。在本实施例中，由于所述红光的光强相对蓝光和绿光的光强较弱，通过将所述四个红光LED设置为呈2*2的矩阵排列，并在红光LED的同一侧设置相邻排列的蓝光LED或相邻排列的绿光LED，以此来增强红光的显示对比度，并与蓝光和绿光的显示对比度适配，进而提升LED模块的整体色彩对比度。
在一些具体的实施方式中，如图5所示，所述LED模块包括四个红光LED，四个绿光LED以及四个蓝光LED，所述四个红光LED呈2*2矩阵排列，第一行红光LED的左右两侧分别设置有一个蓝光LED以及一个绿光LED，第二行红光LED的左右两侧分别设置有一个绿光LED以及一个蓝光LED，第一列红光LED的上下两侧分别设置有一个蓝光LED以及一个绿光LED，第二列红光LED的上下两侧分别设置有一个绿光LED以及一个蓝光LED。在本实施例中，由于所述红光的光强相对蓝光和绿光的光强较弱，通过将所述四个红光LED设置为呈2*2的矩阵排列，并在所述红光LED阵列的四个侧边设置为间隔排列的蓝光LED和 绿光LED，以此来增强红光的显示对比度，并与蓝光和绿光的显示对比度适配，进而提升LED模块的整体色彩对比度。
在本实施例所述红光LED阵列中，如图5所示，为了增强红光的显示对比度，将所述两个相邻红光LED之间的距离设置为d，将所述红光LED与绿光LED之间的距离以及红光LED与蓝光LED之间的距离设置为D，所述d小于D。由于所述两个相邻红光LED之间的距离小于红光LED与绿光LED以及红光LED与蓝光LED之间的距离，使得所述两个相邻红光LED发出的红光比较集中，增强了红光的显示对比度，从而能够与蓝光LED发出的蓝光显示对比度以及绿光LED发出的绿光显示对比度适配，进而提升LED模块的整体色彩对比度。
在本实施例所述红光LED阵列中，为了增强红光的显示对比度，设置所述红光LED的光发射面距离电路基板的距离为H，设置所述蓝光LED以及绿光LED的光发射面距离电路基板的距离为h，所述h小于H。由于增加了红光LED的高度，使得红光LED的光发射面距离显示屏幕更近，从而增强了红光的显示对比度，使其能够与蓝光LED发出的蓝光显示对比度以及绿光LED发出的绿光显示对比度适配，进而提升LED模块的整体色彩对比度。
在一些实施方式中，还提供一种LED显示装置，其包括本发明所述的LED模块。作为举例，所述LED显示装置可以为LED显示器、LED面板、LED光源中的任意一种，但不限于此。
综上所述，本发明提供一种LED模块，其包括电路基板，以及设置在所述电路基板上的至少四个红光LED、至少四个绿光LED以及至少四个蓝光LED，所述红光LED呈n*m的矩阵排列，每一行红光LED的两侧分别设置有蓝光LED和绿光LED，每一列红光LED的两侧分别设置有蓝光LED和绿光LED，所述n和m均大于等于2。本发明通过对LED模块中的RGB三色LED进行数量和位置的调整排列，可达到提升LED模块颜色对比度以及发光亮度的效果。
应当理解的是，本发明的应用不限于上述的举例，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，所有这些改进和变换都应属于本发明所附权利要求的保护范围。

Claims (15)

  1. 一种LED模块，其特征在于，包括电路基板，以及设置在所述电路基板上的红光LED、绿光LED以及蓝光LED，所述红光LED、绿光LED以及蓝光LED中至少有一种颜色的LED数量大于1，所述红光LED、绿光LED以及蓝光LED设置在同一行或同一列，且相同颜色的LED相邻设置。
  2. 根据权利要求1所述的LED模块，其特征在于，包括两个红光LED、一个绿光LED以及一个蓝光LED，所述两个红光LED相邻设置，所述一个绿光LED和一个蓝光LED分别设置在所述相邻两个红光LED的两侧。
  3. 根据权利要求1所述的LED模块，其特征在于，包括两个绿光LED、一个红光LED以及一个蓝光LED，所述两个绿光LED相邻设置，所述一个红光LED和一个蓝光LED分别设置在所述相邻两个绿光LED的两侧。
  4. 根据权利要求1所述的LED模块，其特征在于，包括相邻设置的两个红光LED、相邻设置的两个绿光LED以及一个蓝光LED，所述相邻设置的两个红光LED以及相邻设置的两个绿光LED位于所述蓝光LED的两侧。
  5. 根据权利要求1-4任一所述的LED模块，其特征在于，所述相同颜色的LED之间的距离为d，不相同颜色的LED之间的距离为D，所述d小于D。
  6. 根据权利要求1-4任一所述的LED模块，其特征在于，所述数量大于1的相同颜色LED的光发射面距离电路基板的距离为H，所述数量为1的LED的光发射面距离电路基板的距离为h，所述h小于H。
  7. 根据权利要求6所述的LED模块，其特征在于，所述电路基板上设置有高度为a的预设基板，所述数量大于1且高度为b的相同颜色的LED设置在所述预设基板上，所述a+b＝H。
  8. 一种LED模块，其特征在于，包括电路基板，以及设置在所述电路基板上的至少四个红光LED、至少四个绿光LED以及至少四个蓝光LED，所述红光LED呈n*m的矩阵排列，每一行红光LED的两侧分别设置有蓝光LED和绿光LED，每一列红光LED的两侧分别设置有蓝光LED和绿光LED，所述n和m均大于等于2。
  9. 根据权利要求8所述的LED模块，其特征在于，所述红光LED的同一侧为间隔排列的蓝光LED和绿光LED。
  10. 根据权利要求8所述的LED模块，其特征在于，所述红光LED的同一 侧为相邻排列的蓝光LED或相邻排列的绿光LED。
  11. 根据权利要求8所述的LED模块，其特征在于，包括四个红光LED，四个绿光LED以及四个蓝光LED，所述四个红光LED呈2*2矩阵排列，第一行红光LED和第二行红光LED的左右两侧均分别设置有一个绿光LED以及一个蓝光LED，第一列红光LED和第二列红光LED的上下两侧均分别设置有一个绿光LED的左右两侧分别设置有一个绿光LED以及一个蓝光LED。
  12. 根据权利要求8所述的LED模块，其特征在于，包括四个红光LED，四个绿光LED以及四个蓝光LED，所述四个红光LED呈2*2矩阵排列，第一行红光LED的左右两侧分别设置有一个蓝光LED以及一个绿光LED，第二行红光LED的左右两侧分别设置有一个绿光LED以及一个蓝光LED，第一列红光LED的上下两侧分别设置有一个蓝光LED以及一个绿光LED，第二列红光LED的上下两侧分别设置有一个绿光LED以及一个蓝光LED。
  13. 根据权利要求8-12任一所述的LED模块，其特征在于，所述红光LED之间的距离为d，所述红光LED与蓝光LED以及红光LED与绿光LED之间的距离为D，所述d小于D。
  14. 根据权利要求8-12任一所述的LED模块，其特征在于，所述红光LED的光发射面距离电路基板的距离为H，所述蓝光LED和绿光LED的光发射面距离电路基板的距离为h，所述h小于H。
  15. 一种LED显示装置，其特征在于，包括如权利要求1-14任一所述的LED模块。
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