CN217154031U - Novel color light source - Google Patents

Abstract

The utility model discloses a novel colored light source, including a plurality of LED lamps, every be provided with two kinds at least LED chips that can send different colored light in the LED lamp. The at least two LED chips capable of emitting light of different colors include: a first LED chip capable of emitting white light and a second LED chip capable of emitting infrared light. All the LED lamps constituting the novel color light source are consistent and identical. Therefore, the utility model discloses can save the light source cost, the equipment of light source only contains the LED lamp of a type, and it is more convenient to assemble.

Description

Novel color light source

Technical Field

The utility model belongs to the technical field of the vision light source, especially, relate to a novel colored light source.

Background

In the existing visual light source, one LED chip is arranged inside one LED lamp, and different LED chips can emit light of different colors. In the visual detection, the detection can be completed by matching the LED lamps with various colors. For this reason, existing visual light sources are usually composed of a plurality of LED lamps having different colors. Such a visual light source is expensive, and the assembly of the light source requires selection of different types of LED lamps, which is cumbersome to assemble.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel colored light source to solve above-mentioned technical problem.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a novel colored light source, includes a plurality of LED lamps, every be provided with two kinds at least LED chips that can send different colored light in the LED lamp.

Optionally, the at least two LED chips capable of emitting light of different colors comprise:

a first LED chip capable of emitting white light and a second LED chip capable of emitting infrared light.

Optionally, the number of the first LED chips is one, and the number of the second LED chips is two.

Optionally, one of the first LED chips and two of the second LED chips are linearly or triangularly distributed.

Optionally, the at least two LED chips capable of emitting light of different colors comprise:

the LED chip comprises a third LED chip capable of emitting red light, a fourth LED chip capable of emitting green light and a fifth LED chip capable of emitting blue light.

Optionally, the third LED chip, the fourth LED chip, and the fifth LED chip are linearly or triangularly distributed.

Optionally, the method further comprises:

and the adjusting circuit is used for adjusting the power of any one LED chip, and the power adjusting range is 0-100%.

Optionally, the plurality of LED lamps are distributed in a ring or a matrix.

Optionally, when the plurality of LED lamps are distributed in a matrix, the LED lamps in adjacent rows are distributed in a staggered manner, and the LED lamps in adjacent columns are distributed in a staggered manner.

Compared with the prior art, the embodiment of the utility model provides a following beneficial effect has:

the utility model provides a pair of novel colored light source, as a new visual light source, in the LED lamp that it contains, be provided with two kinds at least LED chips that can send different color lights in every LED lamp. Specifically, LED chips emitting light of different colors may be selected as needed. For example, in some fields needing detection, white light, ultraviolet light, infrared light and the like can be selected to realize defect detection; in some illumination fields, red light, green light, blue light and the like can be selected to realize illumination, and the light can be adjusted according to requirements to form seven-color light.

The utility model provides a pair of novel colored light source, in every LED lamp, can set up at least two kinds of LED chips that can send different colored light as required, can save the light source cost, the equipment of light source only contains the LED lamp of a type, and it is more convenient to assemble.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the range which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1, fig. 6 and fig. 7 are schematic structural diagrams of different novel color light sources provided by an embodiment of the present invention, respectively;

fig. 2 to fig. 5 are schematic structural diagrams of different LED lamps provided by embodiments of the present invention respectively.

Illustration of the drawings:

10. a circuit board; 20. an LED lamp; 21. a first LED chip; 22. a second LED chip; 23. a third LED chip; 24. a fourth LED chip; 25. and a fifth LED chip.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are clearly and completely described with reference to the drawings in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Please refer to fig. 1 to 7.

Example one

As shown in fig. 1, the present embodiment provides a novel color light source, which includes a plurality of LED lamps 20, and at least two LED chips capable of emitting different colors of light are disposed in each LED lamp 20. The number of LED chips of each color may be set as desired. However, once the settings are determined, the corresponding LED lamp 20 is determined. The key point of the present embodiment is that the number of LED chips and the types of colors in all the LED lamps 20 constituting the novel color light source are the same and the same. In order to achieve the purpose of having different colors, all the LED lamps 20 of the prior art are usually different, which results in high cost and complicated assembly of the light source.

Alternatively, a plurality of LED lamps 20 may be mounted on the circuit board 10.

Therefore, according to the novel color light source provided by the embodiment, in each LED lamp 20, at least two kinds of LED chips capable of emitting light of different colors can be arranged as required, so that the cost of the light source can be saved, and the assembly of the light source only includes one type of LED lamp 20, which is more convenient.

Example two

On the basis of the first embodiment, when the novel color light source is used for detecting defects of a high-uniformity silicon wafer, at least two LED chips capable of emitting light with different colors comprise: a first LED chip 21 capable of emitting white light and a second LED chip 22 capable of emitting infrared light.

The first LED chip 21 capable of emitting white light can be used for illuminating a high-uniformity silicon wafer before defect detection, and is matched with a positioning device to realize position positioning of the silicon wafer; and the second LED chip 22 capable of emitting infrared light can be used for illuminating the highly uniform silicon wafer during defect detection, and is matched with a detection device to realize defect detection of the silicon wafer.

Further, in order to enable defect detection of different types of silicon wafers, the number of the first LED chips 21 is one, and the number of the second LED chips 22 is two. The wavelengths of the two second LED chips 22 may be different, and the defect detection is performed on different types of silicon wafers. The wavelengths of the two second LED chips 22 may also be the same, one second LED chip 22 performs defect detection on one type of silicon wafer when operating, and the two second LED chips 22 perform defect detection on the other type of silicon wafer when operating simultaneously.

The first LED chip 21 and the second LED chip 22 may be operated simultaneously to illuminate, or may be operated independently to illuminate.

As an alternative to this embodiment, one first LED chip 21 and two second LED chips 22 are linearly or triangularly distributed, as shown in fig. 2 and fig. 3.

Example two

On the basis of the first embodiment, when the novel color light source is used for lighting and light compensating, at least two LED chips capable of emitting light with different colors comprise: a third LED chip 23 capable of emitting red light, a fourth LED chip 24 capable of emitting green light, and a fifth LED chip 25 capable of emitting blue light, as shown in fig. 4.

Therefore, the chips to be lit can be selected according to the requirements, and seven colors of light can be obtained by selectively lighting the third LED chip 23, the fourth LED chip 24 and the fifth LED chip 25.

As an alternative embodiment of the present embodiment, the third LED chip 23, the fourth LED chip 24 and the fifth LED chip 25 are distributed in a straight line or a triangle, as shown in fig. 4 and 5.

EXAMPLE III

On the basis of the first embodiment or the second embodiment, the novel color light source provided by the present embodiment further includes: and the adjusting circuit is used for adjusting the power of any LED chip, and the power adjusting range is 0-100%.

Example four

Based on the first embodiment, the second embodiment or the third embodiment, the novel color light source provided by the present embodiment has a plurality of LED lamps 20 distributed in a ring or a matrix, as shown in fig. 1 and fig. 7.

Further, when the plurality of LED lamps 20 are distributed in a matrix, the LED lamps 20 in adjacent rows may be distributed in a staggered manner, and the LED lamps 20 in adjacent columns may be distributed in a staggered manner, as shown in fig. 6.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are intended to be inclusive and therefore specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order discussed and illustrated, unless explicitly indicated as an order of performance. It should also be understood that additional or alternative steps may be employed.

When an element or layer is referred to as being "on" … … "," engaged with "… …", "connected to" or "coupled to" another element or layer, it can be directly on, engaged with, connected to or coupled to the other element or layer, or intervening elements or layers may also be present. In contrast, when an element or layer is referred to as being "directly on … …," "directly engaged with … …," "directly connected to" or "directly coupled to" another element or layer, there may be no intervening elements or layers present. Other words used to describe the relationship of elements should be interpreted in a similar manner (e.g., "between … …" and "directly between … …", "adjacent" and "directly adjacent", etc.). As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region or section from another element, component, region or section. Unless clearly indicated by the context, use of terms such as the terms "first," "second," and other numerical values herein does not imply a sequence or order. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

Spatially relative terms, such as "inner," "outer," "below," "… …," "lower," "above," "upper," and the like, may be used herein for ease of description to describe a relationship between one element or feature and one or more other elements or features as illustrated in the figures. Spatially relative terms may be intended to encompass different orientations of the device in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the example term "below … …" can encompass both an orientation of facing upward and downward. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (3)

1. A novel color light source is characterized by comprising a plurality of LED lamps and a regulating circuit, wherein at least two LED chips capable of emitting different color light are arranged in each LED lamp;

the at least two LED chips capable of emitting light of different colors include:

the LED chip comprises a first LED chip capable of emitting white light and a second LED chip capable of emitting infrared light;

the first LED chip is used for illuminating the high-uniformity silicon wafer to assist in realizing position positioning before defect detection;

the second LED chip is used for illuminating the high-uniformity silicon wafer to assist in realizing defect detection during defect detection;

the number of the first LED chips is one, the number of the second LED chips is two, and the light emitting wavelengths of the two second LED chips are different;

one first LED chip and two second LED chips are distributed in a straight line or a triangular shape;

the adjusting circuit is used for adjusting the power of any one LED chip, and the power adjusting range is 0-100%.

2. The novel color light source as claimed in claim 1, wherein the plurality of LED lamps are distributed in a ring or matrix.

3. The novel color light source as claimed in claim 1, wherein when the plurality of LED lamps are arranged in a matrix, the LED lamps in adjacent rows are arranged in a staggered manner, and the LED lamps in adjacent columns are arranged in a staggered manner.

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