CN220106532U - LED lamp bead structure and LED lamp source module - Google Patents

Abstract

The utility model relates to an LED lamp bead structure and an LED lamp source module, comprising: a substrate on which two first light emitting chips, two second light emitting chips, and a third light emitting chip are mounted; the two first light-emitting chips and the two second light-emitting chips are arranged in a rectangular mode, the two first light-emitting chips are arranged diagonally, the third light-emitting chip is located in the middle of a rectangular arrangement distribution area, and the light-emitting color of the third light-emitting chip is different from the light-emitting color of the first light-emitting chip and the light-emitting color of the second light-emitting chip. According to the utility model, two virtual pixel forming effects can be realized by using five light emitting chips, so that the display effect of the LED lamp beads is improved, the manufacturing cost of the LED lamp beads is reduced, the point spacing of the LED lamp beads is changed in the prior art, the display effect is improved, and the problem of high process difficulty is solved.

Description

LED lamp bead structure and LED lamp source module

Technical Field

The utility model relates to the field of LED chip arrangement, in particular to an LED lamp bead structure and an LED lamp source module.

Background

The LED has the characteristics of high contrast, high brightness, wide color gamut, high reliability, collision resistance, long service life and the like, and is widely applied to the display field. With the provision of living standard, people also pursue higher LED display effect, and the requirements on LEDs are also becoming more stringent. With the continuous development of LEDs, in order to improve the display effect, the LED lamp beads are also designed for full-view display (i.e. uniform light emission can be realized from any angle).

In the related art, the high-definition display effect of the LED lamp beads is generally improved by a method for reducing the dot spacing of the LED lamp beads, but the dot spacing is gradually reduced along with the smaller size of the LED lamp beads, and meanwhile, more compact RGB chip arrangement is brought along with the smaller dot spacing, so that the wiring difficulty of the lamp beads is also improved.

Disclosure of Invention

The embodiment of the utility model provides an LED lamp bead structure and an LED lamp source module, which are used for solving the problem that in the related art, in order to ensure the high-definition display effect of LED lamp beads, the size of the LED lamp beads is smaller and the dot spacing is smaller, so that the wiring difficulty of the lamp beads is increased.

In a first aspect, there is provided an LED light bead structure, comprising:

a substrate on which two first light emitting chips, two second light emitting chips, and a third light emitting chip are mounted;

the two first light-emitting chips and the two second light-emitting chips are arranged in a rectangular mode, the two first light-emitting chips are arranged diagonally, the third light-emitting chip is located in the middle of a rectangular arrangement distribution area, and the light-emitting color of the third light-emitting chip is different from the light-emitting color of the first light-emitting chip and the light-emitting color of the second light-emitting chip.

In some embodiments, the pins of the first light emitting chip, the second light emitting chip and the third light emitting chip are distributed at intervals in a ring shape, and the first light emitting chip, the second light emitting chip and the third light emitting chip are located inside a plurality of the pins.

In some embodiments, the light emitting color of the first light emitting chip is red, the light emitting color of the second light emitting chip is blue, and the light emitting color of the third light emitting chip is green.

In some embodiments, the first electrodes of the first light emitting chip and the second light emitting chip of the first row are electrically connected to a first pin via a first wire;

the first electrodes of the first light-emitting chips and the second light-emitting chips of the second row are electrically connected with second pins through second wires;

the second electrodes of the first light-emitting chip and the second light-emitting chip are respectively and electrically connected with a third pin through a third lead;

and the two electrodes of the third light-emitting chip are respectively and independently electrically connected with a fourth pin through a fourth wire.

In some embodiments, the first wire, the second wire, and the fourth wire are located at the same horizontal plane, and the first wire and the third wire are located at different horizontal planes along the thickness direction of the substrate.

In some embodiments, the first pin, the first fourth pin, and the first row of the first light emitting chips and the second light emitting chips are arranged side by side, and the first row of the first light emitting chips and the second light emitting chips are located between the first pin and the first fourth pin;

the second pins, the second fourth pins and the second row of the first light emitting chips and the second light emitting chips are arranged side by side, and the second row of the first light emitting chips and the second light emitting chips are located between the second pins and the second fourth pins.

In some embodiments, the first pin, the second pin, and the two fourth pins are distributed in a rectangular array, and the first pin and the second pin are diagonally arranged.

In some embodiments, every two third pins are arranged side by side and parallel to the first and second light emitting chips in the first row, and the first and second light emitting chips in the first row are located between four third pins.

In a second aspect, an LED light source module is provided, which includes an LED light bead structure as described in some embodiments above.

In some embodiments, the LED light bead structures have two virtual pixel points, the number of the LED light bead structures is four, and the four LED light bead structures are distributed in a rectangular array and are sequentially connected and fixed;

in the two LED lamp bead structures located in the same row, the distance between any two adjacent virtual pixel points is D1, in the two LED lamp bead structures located in the same column, the distance between two virtual pixel points located in the same column is D2, and D2 is equal to D1.

The technical scheme provided by the utility model has the beneficial effects that: the two first light emitting chips and the two second light emitting chips are distributed in a rectangular arrangement, a third light emitting chip is arranged in the middle of a rectangular area formed by the two first light emitting chips and the two second light emitting chips, the light emitting color of the third light emitting chip is different from that of the first light emitting chip and the second light emitting chip, the five light emitting chips can be utilized to realize two virtual pixel imaging effects and a full-view display effect, and the display effect of the LED lamp bead is improved; meanwhile, the manufacturing cost of the LED lamp beads is reduced, and the problem of high process difficulty caused by the fact that the display effect is improved by changing the dot spacing of the LED lamp beads in the prior art is solved. Based on five light emitting chips, two virtual pixel display effects can be achieved, and the traditional display of two pixels needs 6 chips, the scheme reduces the use quantity of the chips on the basis of achieving the same effect as the traditional one, so that wiring difficulty can be reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic top view of an inner layer structure of an LED light bead structure according to an embodiment of the present utility model;

fig. 2 is a schematic top view of an outer layer structure of an LED light bead structure according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of two virtual pixels formed by the LED light bead structure according to the embodiment of the present utility model;

FIG. 4 is a left side schematic view of FIG. 1;

fig. 5 is a schematic structural diagram of a lighting logic of an LED light bead structure according to an embodiment of the present utility model;

fig. 6 is a schematic structural diagram of an LED light source module according to an embodiment of the present utility model.

In the figure: 1. a substrate; 2. a first light emitting chip; 3. a second light emitting chip; 4. a third light emitting chip; 5. a first wire; 6. a first pin; 7. a second wire; 8. a second pin; 9. a third wire; 10. a third pin; 11. a fourth wire; 12. a fourth pin; 13. a conductive post; 14. virtual pixels; 15. transparent sealing glue.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment of the utility model provides an LED lamp bead structure and an LED lamp source module, which are used for solving the problem that in the related art, in order to ensure the high-definition display effect of LED lamp beads, the smaller the size of the LED lamp beads is, the smaller the dot spacing is.

As shown in fig. 1, an embodiment of the present utility model provides an LED lamp bead structure, which may include: a substrate 1, the substrate 1 is provided with two first light emitting chips 2, two second light emitting chips 3 and a third light emitting chip 4; the two first light-emitting chips 2 and the two second light-emitting chips 3 are arranged in a rectangular manner, the two first light-emitting chips 2 are arranged diagonally, the third light-emitting chip 4 is located in the middle of the rectangular arrangement and distribution area, and the light-emitting color of the third light-emitting chip 4 is different from the light-emitting colors of the first light-emitting chips 2 and the second light-emitting chips 3.

Wherein, the first light emitting chip 2 of the first one may be located at the upper left corner of the rectangular arrangement distribution area (i.e. the position of 1R as shown in fig. 1), and the first light emitting chip 2 of the second one may be located at the lower right corner of the rectangular arrangement distribution area (i.e. the position of 2R as shown in fig. 1); the first second light emitting chip 3 may be located at the upper right corner of the rectangular arrangement distribution area (i.e., the position of 1B as shown in fig. 1), and the second light emitting chip 3 may be located at the lower left corner of the rectangular arrangement distribution area (i.e., the position of 2B as shown in fig. 1); the third light emitting chip 4 may be located at the center of the rectangular arrangement distribution area (i.e., at the position of 1G as shown in fig. 1).

Specifically, as shown in fig. 3, the two first light emitting chips 2 and the two second light emitting chips 3 are arranged in a rectangular shape, and the third light emitting chip 4 is arranged in the middle of a rectangular area formed by the two first light emitting chips 2 and the two second light emitting chips 3, and the light emitting color of the third light emitting chip 4 is different from that of the first light emitting chip 2 and that of the second light emitting chip 3, so that the forming effect of the two virtual pixels 14 can be realized by using five light emitting chips, the display effect of the LED lamp bead is improved, the manufacturing cost of the LED lamp bead is reduced, the point spacing of the LED lamp bead is changed conventionally, the display effect is improved, and the problem of great process difficulty is solved.

More specifically, the light emitting color of the first light emitting chip 2 may be red, the light emitting color of the second light emitting chip 3 may be blue, and the light emitting color of the third light emitting chip 4 may be green, which forms a structure with RRGBB symmetrically distributed and arranged.

Of course, in some embodiments, the light emitting color of the first light emitting chip 2 may be red, the light emitting color of the second light emitting chip 3 may be green, and the light emitting color of the third light emitting chip 4 may be blue, which forms a structure with RRBGG symmetrically distributed.

Of course, in some embodiments, the light emitting color of the first light emitting chip 2 may be blue, the light emitting color of the second light emitting chip 3 may be green, and the light emitting color of the third light emitting chip 4 may be red, which forms a structure with BBRGG symmetrically distributed.

In some embodiments, as shown in fig. 2, the pins of the first light emitting chip 2, the second light emitting chip 3 and the third light emitting chip 4 are distributed at intervals in a ring shape, as shown in fig. 1 and 2, and the first light emitting chip 2, the second light emitting chip 3 and the third light emitting chip 4 are located inside a plurality of the pins. The mounting area of the light emitting chip is divided from the pin mounting area of the light emitting chip, so that the pin mounting area is distributed on the peripheral edge of the substrate 1, the light emitting chip is concentrated in the pin mounting area, and the problem that the follow-up wiring of the light emitting chip is clear and the wiring is not easy to be confused is solved.

In some embodiments, fig. 1 is a circuit diagram of an inner layer of a substrate 1, fig. 2 is a circuit diagram of an outer layer of the substrate 1, and first electrodes of a first row of first light emitting chips 2 and second light emitting chips 3 are electrically connected to a first pin 6 (i.e. an L1 region in fig. 2) through a first wire 5; the first electrodes of the second row of the first light emitting chips 2 and the second light emitting chips 3 are electrically connected with a second pin 8 (i.e., an area L3 in fig. 2) through a second wire 7; the second electrodes of each of the first light emitting chip 2 and the second light emitting chip 3 are electrically connected with a third pin 10 (i.e., R1 region, B1 region, R2 region and B2 region in fig. 2) through a third wire 9 separately; the two electrodes of the third light emitting chip 4 are electrically connected to the fourth pins 12 (and the G1 region and the L2 region in fig. 2) via the fourth wires 11.

Wherein, the first row of the first light emitting chips 2 and the second light emitting chips 3 may refer to 1R and 1B light emitting chips in fig. 1, and the first electrodes of the 1R and 1B light emitting chips may be electrically connected in common electrode through the first wire 5; the second row of the first light emitting chips 2 and the second light emitting chips 3 may refer to the 2R and 2B light emitting chips in fig. 1, and the first electrodes of the 2R and 2B light emitting chips may be electrically connected in common electrode through the second wire 7; as shown in fig. 2, the second electrodes of the 1R and 1B light emitting chips, and the second electrodes of the 2R and 2B light emitting chips are electrically connected to the respective third pins 10 through the third wires 9, respectively. Wherein the first electrode may be an anode and the second electrode may be a cathode; of course the polarity of the first electrode and the second electrode may be interchanged.

The first lead 5 and the second lead 7 are arranged to realize common anode or common cathode electric connection, so that circuits required by the substrate 1 are reduced, the number of pins required by the substrate 1 is reduced, the manufacturing cost of the LED lamp bead is reduced, and the LED lamp bead structure is more compact; the realization of five light emitting chips only needs eight pins, and compared with the traditional LED lamp bead structure with five light emitting chips, two pins are reduced.

In some embodiments, as shown in fig. 1, the first conductive line 5, the second conductive line 7, and the fourth conductive line 11 are located at the same horizontal plane along the thickness direction of the substrate 1, and as shown in fig. 1 and 2, the first conductive line 5 and the third conductive line 9 are located at different horizontal planes.

The first wire 5, the second wire 7 and the fourth wire 11 can be located on the inner layer of the substrate 1, the third wire 9 can be located on the outer layer of the substrate 1, the lamination of the circuits is achieved, the structure of the LED lamp bead is further compact, and the occupied area of the substrate 1 is reduced.

Of course, in some embodiments, the first conductive line 5, the second conductive line 7 and the fourth conductive line 11 may be located on the outer layer of the substrate 1, and the third conductive line 9 may be located on the inner layer of the substrate 1, so as to implement a stacked arrangement of the lines.

In some embodiments, as shown in fig. 1 and 2, the first pin 6, the first fourth pin 12 (i.e., the region G1 in fig. 2), and the first row of the first light emitting chips 2 and the second light emitting chips 3 are disposed side by side, and the first row of the first light emitting chips 2 and the second light emitting chips 3 are located between the first pin 6 and the first fourth pin 12; the second pin 8, the second fourth pin 12 (i.e., L2 region in fig. 2), and the second row of the first light emitting chips 2 and the second light emitting chips 3 are arranged side by side, and the second row of the first light emitting chips 2 and the second light emitting chips 3 are located between the second pin 8 and the second fourth pin 12. The four pins are distributed on two opposite sides of the rectangular arrangement distribution area of the light emitting chip, so that the four pins are distributed clearly and are convenient to electrically connect with the light emitting chips corresponding to the four pins.

Further, the first pin 6, the second pin 8 and the two fourth pins 12 are distributed in a rectangular array, and the first pin 6 and the second pin 8 are diagonally arranged. The four light-emitting chips are located in the area surrounded by the four pins, the light-emitting chip installation area is formed in the middle of the substrate 1, the pin installation area is formed in the outer side of the substrate 1, the area of the substrate 1 is planned clearly, and the subsequent installation work of the pins and the light-emitting chips is facilitated.

Still further, every two third pins 10 are arranged side by side and parallel to the first and second rows of the first and second light emitting chips 2 and 3, and the first and second rows of the first and second light emitting chips 2 and 3 are located between the four third pins 10. As shown in fig. 2, four third pins 10, first pins 6, second pins 8 and two fourth pins 12 are distributed at intervals in a ring shape, so that the peripheral edge area of the substrate 1 is a pin mounting area of the light emitting chip, and the middle of the substrate is a mounting area of the light emitting chip.

As shown in fig. 5, the lighting logic of the five light emitting chips is as follows:

the conduction pins L1 and R1 are turned on to light 1R;

the conduction pins L1 and B1 are turned on to light 1B;

the pins L2 and G1 are turned on, and 1G is lightened;

the pins L3 and R2 are conducted, and the pin 2R is lightened;

the pins L3, B2 are turned on and 2B is lit.

In some embodiments, as shown in fig. 4, a transparent sealing glue 15 is poured on the top of the substrate 1 to complete the packaging work of the light emitting chip.

In some embodiments, as shown in fig. 1, each light emitting chip may be electrically connected to a pin or a circuit through a conductive pillar 13, for example, a first electrode of a 1R light emitting chip may be electrically connected to a first pin 6 at the bottom of a substrate 1 through a conductive pillar 13 at the left side, a second electrode of the light emitting chip may be electrically connected to a third pin 10 at the bottom of the substrate 1 through a conductive pillar 13 at the right side, and a conductive pillar 13 at the right side may implement the design requirements of an interlayer between an inner layer circuit and an outer layer circuit.

In some embodiments, embodiments of the present utility model provide an LED light source module that may include at least one LED light bead structure as mentioned in some embodiments above.

Exemplary, as shown in fig. 6, the LED light source module may be composed of four LED light bead structures, where the LED light bead structures have two virtual pixels, and the four LED light bead structures are rectangular and are sequentially connected and fixed.

Specifically, in the two LED lamp bead structures located in the same row (i.e., the two LED lamp bead structures in the first row and the second row in the left-right direction in fig. 6), the space between any two adjacent virtual pixel points is D1, in the two LED lamp bead structures located in the same column (i.e., the two LED lamp bead structures in the first column and the second column in the up-down direction in fig. 6), the space between the two virtual pixel points located in the same column is D2, and D2 is equal to D1. The method realizes that the interval between any two adjacent virtual pixel points in the same row is equal to the interval between any two adjacent virtual pixel points in the same column, and ensures the virtual pixel forming condition of the LED lamp source module.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that in the present utility model, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is only a specific embodiment of the utility model to enable those skilled in the art to understand or practice the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a LED lamp pearl structure which characterized in that, it includes:

a substrate (1), wherein the substrate (1) is provided with two first light-emitting chips (2), two second light-emitting chips (3) and a third light-emitting chip (4);

two first light emitting chips (2) and two second light emitting chips (3) are arranged and distributed in a rectangular mode, two first light emitting chips (2) are arranged in a diagonal mode, a third light emitting chip (4) is located in the middle of a rectangular arrangement and distribution area, and the light emitting color of the third light emitting chip (4) is different from the light emitting color of the first light emitting chip (2) and the light emitting color of the second light emitting chip (3).

2. The LED light bulb structure of claim 1, wherein:

pins of the first light-emitting chip (2), the second light-emitting chip (3) and the third light-emitting chip (4) are distributed at intervals in a ring shape, and the first light-emitting chip (2), the second light-emitting chip (3) and the third light-emitting chip (4) are located in the pins.

3. The LED light bulb structure of claim 1, wherein:

the light-emitting color of the first light-emitting chip (2) is red, the light-emitting color of the second light-emitting chip (3) is blue, and the light-emitting color of the third light-emitting chip (4) is green.

4. The LED light bulb structure of claim 1, wherein:

the first electrodes of the first row of the first light-emitting chips (2) and the second light-emitting chips (3) are electrically connected with a first pin (6) through a first lead (5);

the first electrodes of the first light-emitting chips (2) and the second light-emitting chips (3) in the second row are electrically connected with second pins (8) through second leads (7);

the second electrodes of each first light-emitting chip (2) and each second light-emitting chip (3) are electrically connected with a third pin (10) through a third lead (9) independently;

the two electrodes of the third light-emitting chip (4) are respectively and independently electrically connected with a fourth pin (12) through a fourth wire (11).

5. The LED light bulb structure of claim 4, wherein:

along the thickness direction of the substrate (1), the first conducting wire (5), the second conducting wire (7) and the fourth conducting wire (11) are positioned on the same horizontal plane, and the first conducting wire (5) and the third conducting wire (9) are positioned on different horizontal planes.

6. The LED light bulb structure of claim 4, wherein:

the first pins (6), the first fourth pins (12) and the first row of the first light-emitting chips (2) and the second light-emitting chips (3) are arranged side by side, and the first row of the first light-emitting chips (2) and the second light-emitting chips (3) are positioned between the first pins (6) and the first fourth pins (12);

the second pins (8), the second fourth pins (12) and the second row of the first light-emitting chips (2) and the second light-emitting chips (3) are arranged side by side, and the second row of the first light-emitting chips (2) and the second light-emitting chips (3) are located between the second pins (8) and the second fourth pins (12).

7. The LED light bulb structure of claim 6, wherein:

the first pins (6), the second pins (8) and the two fourth pins (12) are distributed in a rectangular array, and the first pins (6) and the second pins (8) are diagonally arranged.

8. The LED light bulb structure of claim 7, wherein:

every two third pins (10) are arranged side by side and are parallel to the first row of the first light-emitting chips (2) and the second light-emitting chips (3), and the first row and the second row of the first light-emitting chips (2) and the second light-emitting chips (3) are located between four third pins (10).

9. An LED light source module comprising the LED light bead structure of any one of claims 1-7.

10. The LED light source module of claim 9, wherein:

the LED lamp bead structures are provided with two virtual pixel points, the number of the LED lamp bead structures is four, and the four LED lamp bead structures are distributed in a rectangular array and are sequentially connected and fixed;

in the two LED lamp bead structures located in the same row, the distance between any two adjacent virtual pixel points is D1, in the two LED lamp bead structures located in the same column, the distance between two virtual pixel points located in the same column is D2, and D2 is equal to D1.