Light source assembly, display and display device

Abstract

The utility model provides a kind of light source assembly, display and display device, it is related to the field of semiconductor photoelectric technology.The light source assembly includes substrate, support and multiple luminescent wafers, the division of support, annular part and substrate are enclosed into two independent accommodating grooves;Multiple luminescent wafers are arranged on substrate, and at least distributed in two accommodating grooves, wherein, one of two accommodating grooves is correspondingly provided with wavelength conversion part, wavelength conversion part can be excited by initial light emitted by luminescent wafer in corresponding accommodating groove, to emit emergent light with wavelength greater than initial light.The utility model at least divides luminescent wafer in two independent accommodating grooves, only one groove is provided with wavelength conversion part, so that it generates longer wavelength light, another groove directly outputs initial light.The design can output two kinds of controllable light respectively, by adjusting its intensity and proportion, realize flexible spectrum combination and color matching, break through the limitation of traditional only adjusting light intensity, improve color gamut potential.

Description

Technical Field

[0001] This utility model belongs to the field of semiconductor optoelectronic technology, and in particular relates to a light source component, a display, and a display device. Background Technology

[0002] With the continuous advancement of display technology, the industry's requirements for image quality are increasing, and high color gamut has become one of the core pursuits. In traditional solutions, a combination of blue LEDs and green and red phosphors is used. However, due to the limitations of the spectral characteristics of the phosphors themselves (such as the half-width of green phosphors being typically around 54nm), the color gamut range that can be achieved is no longer sufficient to meet the needs of high-end display scenarios.

[0003] To overcome this limitation, the industry has proposed a new approach: placing blue and green LED chips in the same color cup (i.e., the receiving slot) and filling the color cup with red phosphor. This approach significantly narrows the green spectral bandwidth by reducing the half-width of the green phosphor from 54nm to 27nm, thereby greatly improving the display color gamut.

[0004] However, the current structural design based on this scheme still has significant limitations: red phosphor is simultaneously coated on both blue and green LED chips to produce white LEDs through mixing. This white light mixing design's adjustment methods are limited to the light intensity level, making it difficult to achieve fine-grained color control. In other words, regardless of the displayed color, the backlight remains a single white, and its color gamut potential cannot be fully realized. Utility Model Content

[0005] In view of this, the present invention provides a light source assembly, a display, and a display device, aiming to solve the problems of insufficient fineness in color adjustment of light source groups and difficulty in fully releasing color gamut potential in the prior art.

[0006] The technical solution of this utility model is implemented as follows: This utility model provides a light source assembly, which includes a substrate, a support, and a plurality of light-emitting chips. The support is disposed on the substrate and includes an annular portion and one or more segmented portions disposed in the inner periphery of the annular portion. The segmented portions, the annular portion, and the substrate at least form two independent receiving slots. The plurality of light-emitting chips are disposed on the substrate and are distributed in at least the two receiving slots. One of the two receiving slots is correspondingly provided with a wavelength conversion part. The wavelength conversion part can be excited by the initial light emitted by the light-emitting chip in the corresponding receiving slot to emit outgoing light with a wavelength greater than the initial light.

[0007] In one embodiment, the two receiving slots include a first receiving slot and a second receiving slot; the wavelength conversion part is a fluorescent agent and is filled in the first receiving slot.

[0008] In one embodiment, the plurality of light-emitting wafers include a first blue light-emitting wafer, a green light-emitting wafer, and a second blue light-emitting wafer; wherein the first blue light-emitting wafer is disposed in the first receiving groove, the second blue light-emitting wafer is disposed in the second receiving groove, and the green light-emitting wafer is disposed in the second receiving groove.

[0009] In one embodiment, the fluorescent agent is a red fluorescent agent; and / or, the green light-emitting wafer is located between the first blue light-emitting wafer and the second blue light-emitting wafer.

[0010] In one embodiment, a plurality of pads are formed on the substrate, the plurality of pads including two first pads electrically connected to the first blue light-emitting wafer, two second pads electrically connected to the green light-emitting wafer, and two third pads electrically connected to the second blue light-emitting wafer; wherein, the first pads are located in the bottom region of the first receiving groove, and the second and third pads are located in the bottom region of the second receiving groove; and the first pads, the second pads, and the third pads are mutually insulated.

[0011] In one embodiment, the phosphor in the first receiving tank covers the first blue light-emitting wafer and the first pad.

[0012] In one embodiment, the green light-emitting chip is disposed in the second receiving groove, and the second receiving groove is filled with transparent adhesive; the transparent adhesive covers the green light-emitting chip, the second pad, the second blue light-emitting chip, and the third pad.

[0013] In one embodiment, the annular portion and the segmented portion are integrally injection molded; and / or, the segmented portion is a flat plate structure.

[0014] This utility model also provides a display, the display including a backlight driving circuit, a light source assembly, and a liquid crystal panel, the light source assembly being electrically connected to the backlight driving circuit; the liquid crystal panel being disposed on the light-emitting side of the light source assembly; wherein, the backlight driving circuit drives the light source assembly to emit light, which illuminates the liquid crystal panel to display an image; the light source assembly including a substrate, a support, and a plurality of light-emitting chips; the support being disposed on the substrate, the support including an annular portion and one or more segmented portions disposed in the inner periphery of the annular portion, the segmented portions, the annular portion, and the substrate forming at least two independent receiving slots; the plurality of light-emitting chips being disposed on the substrate and distributed at least in the two receiving slots, wherein one of the two receiving slots is correspondingly provided with a wavelength conversion portion, the wavelength conversion portion being able to be excited by the initial light emitted by the light-emitting chip in the corresponding receiving slot to emit outgoing light with a wavelength greater than the initial light.

[0015] This utility model also provides a display device, characterized in that it includes a display, which is any one of a television, computer, smartphone, or vehicle display device; the display includes a backlight driving circuit, a light source assembly, and a liquid crystal panel, wherein the light source assembly is electrically connected to the backlight driving circuit; the liquid crystal panel is disposed on the light-emitting side of the light source assembly; wherein the backlight driving circuit drives the light source assembly to emit light and illuminate the liquid crystal panel to display an image.

[0016] This invention, by distributing light-emitting chips in at least two independent receiving slots and utilizing the physical separation formed by the dividing part, the annular part, and the substrate, enables independent output of light from different receiving slots, avoiding the control limitations caused by light aliasing in traditional single receiving slots. Simultaneously, a wavelength conversion unit is provided only in one receiving slot, allowing the initial light emitted by the light-emitting chip in that slot to be excited by the wavelength conversion unit and generate longer wavelength emitted light, while the other receiving slot without a wavelength conversion unit can directly output the initial light of the original wavelength. With this structural design, the two receiving slots can output two independently controllable types of light (one is the initial light, and the other is a combination of the initial light and the converted emitted light, or two independent types of light of different wavelengths). By finely adjusting the intensity and ratio of the two types of light, it can overcome the limitation of traditional white light mixing schemes that can only adjust light intensity, achieving more flexible spectral combinations and color ratios. This provides a structural basis and controllability for improving the precision of color adjustment and fully releasing the color gamut potential of the light source. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0018] Figure 1 A top view of the light source assembly provided by this utility model; Figure 2 A side view of the light source assembly provided by this utility model; Figure 3 This is a schematic diagram of the substrate of the light source assembly provided by this utility model.

[0019] Explanation of reference numerals in the attached figures: 100. Light source assembly; 1. Substrate; 11. First pad; 12. Second pad; 13. Third pad; 2. Support; 21. Annular portion; 22. Dividing portion; 3. Multiple receiving slots; 31. First receiving slot; 32. Second receiving slot; 4. Multiple light-emitting chips; 41. First blue light-emitting chip; 42. Green light-emitting chip; 43. Second blue light-emitting chip; 5. Wavelength conversion unit. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0021] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0022] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0023] With the continuous advancement of display technology, the industry's demands for image quality are increasing, and high color gamut has become one of the core pursuits. Traditional solutions use a combination of blue LEDs with green and red phosphors. However, due to the limitations of the phosphor's spectral characteristics (e.g., the half-width of green phosphor is typically around 54nm), the achievable color gamut is insufficient for high-end display scenarios. To overcome this limitation, the industry has proposed a new approach: placing blue and green LED chips in the same color cup (i.e., the receiving slot), and filling this color cup with red phosphor. This approach significantly narrows the green spectral bandwidth by reducing the half-width of the green phosphor from 54nm to 27nm, thereby greatly improving the display color gamut.

[0024] However, existing structural designs based on this scheme still have limitations: red phosphor is simultaneously coated on both blue and green LED chips, mixing to form a white LED. This white light mixing design only adjusts light intensity and cannot achieve fine-grained color adjustment. In other words, regardless of the displayed color, the backlight remains a single white, and its color gamut potential cannot be fully realized.

[0025] In view of this, the present invention provides a light source assembly 100, which aims to solve the problems of insufficient fineness of color adjustment and difficulty in fully releasing the color gamut potential of the light source assembly in the prior art.

[0026] The light source assembly 100 includes a substrate 1 and a support 2. The support 2 is disposed on the substrate 1 and includes an annular portion 21 and one or more segmented portions 22 disposed within the inner region of the annular portion 21. The segmented portions 22, the annular portion 21, and the substrate 1 enclose at least two independent receiving slots. The segmented portions 22 can have various structural forms to enclose multiple independent receiving slots. For example, to enclose two receiving slots, the segmented portion 22 can be a single flat plate or a folded plate with angles; or, to enclose three receiving slots, the segmented portion 22 can be a Y-shaped or T-shaped branch structure, dividing the interior of the annular portion 21 into multiple independent spaces through extensions in different directions.

[0027] The light source assembly 100 also includes multiple light-emitting chips 4, which can emit different colors such as blue and green. These light-emitting chips are disposed on the substrate 1 and are distributed in at least two independent receiving slots.

[0028] One of the two receiving slots is equipped with a wavelength conversion unit 5. It can be understood that since only one of the two receiving slots has a wavelength conversion unit 5, even with only chips of the same color, different spectral output effects can be achieved through the independent placement of different receiving slots. For example, if a wavelength conversion unit 5 is placed in one receiving slot, while the other receiving slot is not (this slot can be empty or filled with a transparent medium such as transparent glue), then when the light-emitting chips in both receiving slots emit the same initial light, the receiving slot with the wavelength conversion unit 5 will produce emitted light of a different wavelength due to the excitation effect of the wavelength conversion unit 5, creating a difference from the initial light emitted by the receiving slot without the wavelength conversion unit 5, thus providing more possibilities for subsequent color adjustment.

[0029] The wavelength conversion unit 5 is a functional component that can change the wavelength of incident light (i.e., change the color of light). Its core function is to receive "initial light" of a specific wavelength and then emit "outgoing light" with a longer wavelength through energy conversion. Its commonly used materials are phosphors (KSF red phosphor, YAG yellow phosphor), as well as quantum dot materials, phosphorescent materials, etc.

[0030] In summary, the light source assembly 100 provided in this embodiment of the present invention includes a substrate 1, a support 2, and a plurality of light-emitting chips 4. The support 2 is disposed on the substrate 1 and includes an annular portion 21 and one or more segmented portions 22 disposed in the inner periphery of the annular portion 21. The segmented portions 22, the annular portion 21, and the substrate 1 form at least two independent receiving grooves. The plurality of light-emitting chips 4 are disposed on the substrate 1 and are distributed in at least two receiving grooves. One of the two receiving grooves is provided with a wavelength conversion portion 5. The wavelength conversion portion 5 can be excited by the initial light emitted by the light-emitting chip in the corresponding receiving groove to emit outgoing light with a wavelength greater than the initial light. This embodiment of the invention distributes light-emitting chips in at least two independent receiving slots. The physical separation formed by the dividing part 22, the annular part 21, and the substrate 1 allows for independent output of light from different receiving slots, avoiding the control limitations caused by light aliasing in traditional single receiving slots. Simultaneously, a wavelength conversion part 5 is provided only in one of the receiving slots, allowing the initial light emitted by the light-emitting chip in that slot to be excited by the wavelength conversion part 5 and generate longer wavelength emitted light. The other receiving slot, without the wavelength conversion part 5, can directly output the initial light of the original wavelength. With this structural design, the two receiving slots can output two independently controllable types of light (one is the initial light, and the other is a combination of the initial light and the converted emitted light, or two independent light of different wavelengths). By finely adjusting the intensity and ratio of the two types of light, the limitation of traditional white light mixing schemes, which can only adjust light intensity, can be overcome, achieving more flexible spectral combinations and color ratios. This provides a structural basis and controllability for improving the precision of color adjustment and fully releasing the color gamut potential of the light source.

[0031] In some embodiments, to reduce costs and simplify the process, the wavelength conversion part 5 is made of a fluorescent agent and is filled into a corresponding receiving tank in a filling manner. Specifically, the two receiving tanks include a first receiving tank 31 and a second receiving tank 32, and the wavelength conversion part 5 is a fluorescent agent and is filled into the first receiving tank 31.

[0032] The phosphor can be excited by the initial light emitted by the light-emitting chip in the first receiving groove 31, thereby producing emitted light with a wavelength longer than the initial light. The second receiving groove 32, however, does not contain the phosphor and can directly output the original wavelength light emitted by its internal light-emitting chip. Simultaneously, filling the first receiving groove 31 with the phosphor ensures sufficient contact between the phosphor and the light-emitting chip within the groove, improving light conversion efficiency, reducing light loss, and guaranteeing stable and efficient light output from the light source assembly 100.

[0033] In some embodiments, considering the requirements of low cost and high color gamut, the selection of light-emitting chips is as follows: a plurality of light-emitting chips 4 include a first blue light-emitting chip 41, a green light-emitting chip 42 and a second blue light-emitting chip 43; wherein, the first blue light-emitting chip 41 is disposed in the first receiving groove 31, the second blue light-emitting chip 43 is disposed in the second receiving groove 32, and the green light-emitting chip 42 is disposed in the second receiving groove 32.

[0034] This arrangement allows light-emitting chips of different colors to be assigned to independent storage tanks. The first blue light-emitting chip 41 in the first storage tank 31 generates light of a specific wavelength under the action of the phosphor, while the second blue light-emitting chip 43 and the green light-emitting chip 42 in the second storage tank 32 can directly emit light of their respective colors. This separate structural layout creates favorable conditions for subsequent independent control and color matching.

[0035] In some embodiments, to accommodate higher color gamut requirements, the fluorescent agent is a red fluorescent agent.

[0036] This red fluorescent agent (commonly KSF phosphor, chemical formula K2SiF6:Mn4) + It possesses narrowband emission characteristics. Its color gamut principle is as follows: After the first blue light-emitting chip 41 in the first receiving cell 31 emits blue light of 450-460nm, it will efficiently excite the red phosphor, causing it to pass through Mn4 + The dd electron transition of ions emits pure red light (wavelength 630-650nm) with a half-width of only 3-5nm. This narrow-band spectrum can significantly reduce the overlap of red light with other colors, thus significantly improving the purity of red light. At the same time, the green light-emitting chip 42 in the second receiving cell 32 has already achieved a narrow-band green light output of 27nm, which also has the advantage of high color purity. Combined with the pure blue light emitted by the second blue light-emitting chip 43 in the same cell, the three together constitute high-purity red, green, and blue primary colors.

[0037] In this way, by independently controlling and dynamically adjusting the high-purity red, green, and blue primary colors, the intensity ratio of each primary color can be adjusted in real time according to the color requirements of the displayed image, thereby achieving dynamic matching of the backlight spectrum. For example, when the proportion of red elements in the displayed image is high, the output intensity of red light in the first receiving slot 31 can be enhanced; when the image is biased towards green or blue, the proportion of green or blue light is increased accordingly. This refined color adjustment method breaks the limitation of the fixed backlight spectrum in traditional white light mixing schemes, enabling the backlight to provide the optimal spectral combination to match different color images, thereby fully releasing the color gamut potential of the light source and significantly improving the color accuracy and richness of the displayed image.

[0038] In some embodiments, in order to improve the uniformity of the emitted light color, the green light-emitting chip 42 is located between the first blue light-emitting chip 41 and the second blue light-emitting chip 43.

[0039] The green light-emitting chip 42, as the key intermediate color in the three primary colors, is positioned between the two blue light-emitting chips. This allows the narrow-band green light emitted by the chip to intersect more evenly with the light from the two blue chips (including the red light generated by the red phosphor excited by the first blue chip) in space. This symmetrical layout reduces the local concentration of single-color light, avoids color shift or light spots in the emitted light, and ensures that the overall emitted color of the light source assembly 100 is consistent.

[0040] In some embodiments, to enable independent control of the light-emitting chips and improve the flexibility of color adjustment, a specific solution is as follows: A plurality of pads are formed on the substrate 1. These pads include two first pads 11 electrically connected to the first blue light-emitting chip 41, two second pads 12 electrically connected to the green light-emitting chip 42, and two third pads 13 electrically connected to the second blue light-emitting chip 43. Two of each of the first, second, and third pads 13 are provided to respectively achieve positive and negative electrode connections for the corresponding light-emitting chips. The first pads 11 are located in the bottom region of the first receiving groove 31, and the second and third pads 12 are located in the bottom region of the second receiving groove 32. Furthermore, the first, second, and third pads 11 are mutually insulated.

[0041] Individual power supply and drive control for each light-emitting chip are achieved through independent pads. Since the first pad 11 connects only to the first blue light-emitting chip 41, and the second and third pads 13 connect to the green light-emitting chip 42 and the second blue light-emitting chip 43 respectively, and are insulated from each other without interference, the current of each chip can be adjusted independently via external circuitry to precisely control their respective luminous intensity. For example, increasing the current of the first pad 11 enhances the blue light output of the first blue light-emitting chip 41, thereby increasing the red light intensity excited by the red phosphor in the first receiving tank 31; adjusting the current of the second pad 12 can independently change the green light brightness, and adjusting the current of the third pad 13 can independently change the blue light brightness of the second receiving tank 32. This independent control capability is key to achieving fine-tuning of the red, green, and blue primary color ratios, overcoming the limitation of "adjusting one chip and adjusting all" caused by the shared circuitry in traditional solutions.

[0042] In some embodiments, in order to ensure that the light emitted by the first blue wafer is fully absorbed by the phosphor and to improve the light conversion efficiency, the phosphor in the first receiving tank 31 is used to cover the first blue light-emitting wafer 41 and the first pad 11.

[0043] Specifically, the first blue light-emitting chip 41 serves as the excitation source. The initial blue light emitted by it needs to come into full contact with the phosphor (such as a red phosphor) in order to be efficiently absorbed and converted into light of the target wavelength (such as red light). If the phosphor does not completely cover the chip, some blue light may escape directly from the uncovered area of ​​the chip surface, resulting in wasted light energy. This not only reduces the intensity of the converted light but may also affect the color purity of the mixed light due to excessive unconverted blue light.

[0044] Meanwhile, the design of covering the first pad 11 with phosphor fills the gap between the pad and the chip, allowing the phosphor to form a continuous and complete covering layer within the first receiving groove 31. This prevents light from being lost due to reflection or scattering caused by interface discontinuities during propagation, further improving absorption efficiency. Furthermore, this covering method utilizes the physical properties of the phosphor to protect the connection between the chip and the pad, reducing interference from the external environment on the electrical connection. While ensuring optical performance, it enhances the structural stability and reliability of the component, making it compatible with the "fill-in" process and achieving efficient light conversion while simplifying the process.

[0045] In some embodiments, in order to protect the green light-emitting chip 42 and improve optical stability, the green light-emitting chip 42 is disposed in the second receiving groove 32, and the second receiving groove 32 is filled with transparent adhesive; the transparent adhesive covers the green light-emitting chip 42, the second pad 12, the second blue light-emitting chip 43 and the third pad 13.

[0046] "Transparent adhesive" can be understood as a high-molecular polymer material with high light transmittance, stable chemical properties, and good optical uniformity, such as silicone or epoxy resin. Its main functions are twofold: firstly, it physically encapsulates the green light-emitting chip 42, the second blue light-emitting chip 43, and their corresponding pads within the second receiving groove 32, isolating them from moisture, dust, and other impurities in the air, preventing oxidation or mechanical damage to the chips, thereby extending the lifespan of the light source assembly 100; secondly, the refractive index of the transparent adhesive is optimized to achieve a good match with the light-emitting surface of the chips and the air, reducing light reflection loss at the interface, ensuring that the narrow-band green light emitted by the green light-emitting chip 42 and the blue light emitted by the second blue light-emitting chip 43 can efficiently pass through the adhesive and be emitted outwards, avoiding a decrease in color purity or loss of luminous efficiency due to light scattering. Simultaneously, the overall structure formed after the adhesive cures also enhances the connection strength between the support 2 and the substrate 1, improves the vibration resistance of the light source assembly 100, and ensures the stability and consistency of optical performance during long-term use.

[0047] In some embodiments, the annular portion 21 and the segmented portion 22 are integrally injection molded; and / or, the segmented portion 22 is a flat plate structure.

[0048] The annular portion 21 and the segmented portion 22 are integrally injection molded. The segmented portion 22 has a flat plate structure, which balances process simplification, cost control, and structural reliability. Integral molding simplifies the production process, improves efficiency, ensures structural strength and sealing, prevents light leakage or impurity entry, and ensures the accuracy of the receiving slots, facilitating the placement of light-emitting chips. The flat plate structure reduces design and processing difficulty, resulting in simpler molds, smoother molding, and direct and efficient segmentation. The combination of these two components ensures the stability and functionality of the bracket 2, complementing the dual receiving slots and independent pads, supporting fine-tuned color adjustment and high color gamut release.

[0049] This utility model embodiment also provides a display.

[0050] The display includes a backlight driving circuit, a liquid crystal panel, and a light source component 100 as described in any of the above embodiments. The light source component 100, as the core backlight component of the display, emits light that, after being controlled by the backlight driving circuit, provides stable and dynamically adjustable illumination to the liquid crystal panel. The backlight driving circuit can independently control the working state of the light-emitting chips in different accommodating slots of the light source component 100 according to the color signals of the displayed image. For example, by adjusting the driving current of each pad, it can achieve a precise ratio of the intensity of primary colors such as red, green, and blue light. The liquid crystal panel, based on the received image data, performs pixel-level transmittance control on the backlight provided by the light source component 100, allowing different intensities of light to pass through the liquid crystal layer, ultimately presenting a rich and high-fidelity color image on the display screen. This design, combining a high color gamut light source component 100 with precise driving control and liquid crystal display technology, significantly improves the display's color performance, dynamic contrast, and image quality stability, making it particularly suitable for professional display fields with high color accuracy requirements, such as design, film and television production, and medical imaging.

[0051] This utility model embodiment also provides a display device. The display device includes the display described in the above embodiments. The display device can be any one of a television, computer, smartphone, or in-vehicle display device.

[0052] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A light source assembly, characterized in that, include: substrate, A support is disposed on the substrate. The support includes an annular portion and one or more segmented portions disposed in the inner periphery of the annular portion. The segmented portions, the annular portion, and the substrate form at least two independent receiving grooves. Multiple light-emitting chips are disposed on the substrate and are distributed in at least the two receiving slots. One of the two receiving slots is provided with a wavelength conversion unit, which can be excited by the initial light emitted by the light-emitting chip in the corresponding receiving slot to emit outgoing light with a wavelength greater than the initial light.

2. The light source assembly according to claim 1, characterized in that, The two receiving slots include a first receiving slot and a second receiving slot; the wavelength conversion part is a fluorescent agent and is filled in the first receiving slot.

3. The light source assembly according to claim 2, characterized in that, The plurality of light-emitting wafers includes a first blue light-emitting wafer, a green light-emitting wafer, and a second blue light-emitting wafer; The first blue light-emitting chip is disposed in the first receiving groove, the second blue light-emitting chip is disposed in the second receiving groove, and the green light-emitting chip is disposed in the second receiving groove.

4. The light source assembly according to claim 3, characterized in that, The fluorescent agent is a red fluorescent agent; and / or, The green light-emitting wafer is located between the first blue light-emitting wafer and the second blue light-emitting wafer.

5. The light source assembly according to claim 3, characterized in that, The substrate has a plurality of pads, including two first pads electrically connected to the first blue light-emitting wafer, two second pads electrically connected to the green light-emitting wafer, and two third pads electrically connected to the second blue light-emitting wafer. The first pad is located in the bottom area of ​​the first receiving groove, and the second pad and the third pad are located in the bottom area of ​​the second receiving groove; and the first pad, the second pad and the third pad are insulated from each other.

6. The light source assembly according to claim 5, characterized in that, The phosphor in the first receiving tank covers the first blue light-emitting wafer and the first pad.

7. The light source assembly according to claim 5, characterized in that, The green light-emitting chip is disposed in the second receiving groove, which is filled with transparent adhesive; the transparent adhesive covers the green light-emitting chip, the second pad, the second blue light-emitting chip, and the third pad.

8. The light source assembly according to claim 1, characterized in that, The annular portion and the segmented portion are integrally injection molded; and / or, the segmented portion is a flat plate structure.

9. A display, characterized in that, include: Backlight driving circuit The light source assembly as described in any one of claims 1 to 8 is electrically connected to the backlight driving circuit; A liquid crystal panel is disposed on the light-emitting side of the light source assembly; The backlight driving circuit drives the light source component to emit light and illuminate the liquid crystal panel to display an image.

10. A display device, characterized in that, Includes the display as described in claim 9, wherein the display device is any one of a television, computer, smartphone, or in-vehicle display device.

Images