TWM437953U - Optical measuring device - Google Patents

Description

M437953 V. New Description: [New Technology Field] [0001] The present invention relates to an optical measuring device, and more particularly to an optical measuring device having a filtering function. [Prior Art] [0002] In modern society, people have developed many different needs and applications for illumination sources. In order to use illumination sources more efficiently and improve the quality of light sources, the requirements and definitions of various optical properties of illumination sources are also Pay more attention to it. In particular, for light-emitting diodes (LEDs), since the requirements for light sources vary from field to field, it is necessary to perform photoelectric characteristics such as luminance, wavelength, and operating voltage of the light-emitting diodes in the latter part of the process. Measure and classify them to apply different grades of grains to the appropriate field and effectively control their yield. [0003] A technique for measuring the optical properties of a light-emitting diode is disclosed in US Patent No. US Pat. No. 7,088,503, the disclosure of which is incorporated herein incorporated by reference. a spherical space in the main body, a bracket provided with a light source, a first perforation on the bracket and provided with a wire, a second perforation for circulating a temperature-controlled gas, and a second perforation An air flow tube for supplying the temperature control gas, an auxiliary light source, and a detector. The bracket is disposed in the spherical space, and the auxiliary light source, the detector and the front of the second through hole are respectively provided with a baffle, and the detector is disposed in the main body and communicates with the spherical space, the airflow The pipe system supplies the hot airflow into the spherical space. By adjusting the flow rate, the operator can measure the opticality of the environment near the actual use state of the light source. 1012031521-0 HH20975 Production Order No. 1 Page 4 of 21 Page M437953

[0004]

[0005] In addition to the foregoing prior art, there is another apparatus for integrating the above-mentioned integrating sphere, 0 can be used for measuring the optical properties of a light-emitting diode, which mainly comprises a spherical body and an optical connection to the body. The detector of the light source and an inlet for the light source are measured. During the measurement, the operator places a light-emitting diode to be measured at the entrance, so that the light emitted by the light-emitting diode enters a space of the body through the inlet, and the light borrows in the space. After being diffused from the inner wall surface of the body, the light is taken by the detector and its various optical properties are measured. However, in the above prior art, the effective measurement value of the detector has a certain range. In other words, if the intensity of the light entering the detector is too high and exceeds the effective measurement value of the detector, it is easy. Lead to measurement error. [New content] [0006] The main purpose of the present invention is to solve the problem that the optical measuring device of the conventional optical measuring device is likely to cause measurement error because the intensity of the light source obtained by the detector exceeds the effective measured value. [0007] In order to achieve the above object, the present invention provides an optical measuring device for measuring an optical property of a light source, comprising an optical detecting portion and a filter; the optical detecting portion includes an optical connection with the light source And the light source enters the light entrance of the optical detecting portion; the filter is movably disposed between the light inlet and the light source, and includes a body and a first hole penetrating the body is different from an aperture a second hole of the first hole, wherein the filter member has a first position for the first hole to align with the light entrance port and a second hole for the optical detection portion The second position of the optical port. 1()12()975f single number A0101 page 5/total 21 page 1012031521-0 M437953 [0008] The present invention performs the filtering function by the filter member disposed between the light entrance port and the light source. The intensity of the light entering the light entrance opening can be within a range of the effective measurement value allowed by the optical detecting portion to reduce the generation of the measurement error; and the filter member is movably disposed at the light entrance port and Between the light sources, when the operator wants to measure the light source of different properties or to use it with different optical detecting portions, by changing the position of the filter, the amount of light entering can be adjusted to meet the measurement condition. In this way, the applicability of the optical measuring device can be increased.

[Embodiment] [0009] The detailed description and technical contents of the present invention will now be described as follows:

[0010] Please refer to FIG. 1A and FIG. 1B respectively, which are schematic cross-sectional views of the filter member in the first position in the first embodiment of the present invention, and in the first embodiment of the present invention, the filter member is located. A schematic view of the structure of the second position. The present invention is an optical measuring device for measuring an optical property of a light source 10. Hereinafter, the light source 10 is an LED. The optical measuring device includes an optical detecting portion 30 and a filter member 40. The optical detecting unit 30 includes an optical port 31 optically connected to the light source 10 and for the light source 10 to enter the optical detecting portion 30. The optical port 31 is connected to a measuring module by an optical fiber 33 (not shown) The filter member 40 is movably disposed between the light source 10 and the light entrance 31. The filter member 40 includes a body 41 and a first hole 42 and a penetrating body 41. The second hole 43 of the first hole 42 is smaller than the second hole 43. The filter member 40 has a first hole 42 aligned with the light entrance 31 with respect to the optical detecting portion 30 as shown in FIG. 1A. The first position, and the second hole 43 is aligned with the second position of the light entrance 31, as shown in "Tuli# single number A0101 page 6. / 21 pages 1012031521-0 M437953 1B". [0011] In addition, in the embodiment, the optical measuring device further includes a connecting portion 50, the connecting portion 50 is disposed between the light entrance 31 and the light source 10, and the connecting portion 50 includes a first fixing The first fixing seat 54 is connected to the optical detecting portion 30, and the second fixing seat 55 is disposed on the filter. The first fixing base 54 is connected to the optical detecting portion 30. The second fixing base 55 is disposed at the filter. The light member 40 is adjacent to one side of the light source 10, and the first fixing seat 54 covers the second fixing seat 55 and forms a transverse through hole 51 and a longitudinally extending opening 52 therebetween. The filter member 40 is inserted into the filter member 40, and the opening 52 is aligned with the light entrance port 31 to communicate with each other. [0012] In the second embodiment of the present invention, please refer to FIG. 2 and FIG. 3A, which are respectively a perspective view of the second embodiment of the present invention and a second embodiment of the present invention. A cross-sectional view of the AA structure in the first position, the second embodiment further includes a light-receiving portion 20, the light-receiving portion 20 is an integrating sphere, and the light-receiving portion 20 includes a casing 21 and a light-receiving port 22, An exit port 23 and a diffusing space 24 are provided. The housing 21 is composed of an upper housing 211 and a lower housing 212. The light-receiving opening 22 and the light-emitting opening 23 respectively extend through the housing 21, and the light-emitting port 23 is located thereon. The housing 211 is disposed at the position of the lower housing 212 corresponding to the light exit opening 23, and the diffusing space 24 is located in the housing 21 and disposed at the light receiving opening 22 and the light exit opening 23 The light-receiving port 22, the light-emitting port 23 and the diffusing space 24 are in communication with each other, and an optical channel 32 is formed between the light-emitting port 23 and the light-inlet port 31. The light source 10 is placed close to the operation. The light-receiving port 22 is as shown in FIG. 3A, so that the light emitted by the light source 10 10120975# single-woven A0101 page 7 / 21 pages 1012031521-0 M437953 can enter the light through the light-receiving port 22 Shoot space 24. In this embodiment, the housing 21 further includes a diffusing coating 213 attached to an inner wall surface of the housing 21, thereby conforming to the integral spherical theory of the diffuse reflection of the light source 10 in the diffusing space 24. demand.

[0013] As shown in FIG. 3A, the optical detecting unit 30 includes a measuring module (not shown) connected between the measuring module and the light exit port 23, as in the first embodiment. The optical fiber 33 and an optical inlet 31 disposed at one end of the optical fiber 33 away from the measuring module, the optical opening 31 is optically connected to the optical opening 23 and form an optical channel 32 therebetween, so that the light passes through the optical port 32. After the diffusion space 24 is passed through the light exit port 23 and enters the light entrance port 31 through the optical channel 32, the light is transmitted through the optical fiber 33 to be detected by the measurement module. In the embodiment, the light-receiving portion 20 is exemplified by the integrating sphere, and the optical detecting portion 30 is schematically illustrated by the optical fiber 33 and the measuring module. The measuring module is usually a spectrometer. For measuring a spectral distribution map, the present invention is not limited thereto. According to actual application requirements, the light-receiving portion 20 and the optical detecting portion 30 may use other components equivalent to the foregoing. [0014] Please refer to FIG. 4, which is a partial enlarged view of FIG. 3B. The connecting portion 50 is disposed between the light receiving portion 20 and the optical detecting portion 30, and includes a first fixing seat 54, A second fixing seat 55, a through slot 51, an opening 52 and a stop block 53. The first fixing base 54 is in contact with the optical detecting portion 30, the second fixing base 55 is in contact with the light receiving portion 20, and the first fixing seat 54 is closed to the second fixing base 55 and between the two The through slot 51 is formed to extend transversely and the opening 52 is formed in the longitudinal direction. The through slot 51 is inserted into the filter member 40, and the opening 52 is aligned with the light entrance 31 and the light exit port 101209. A〇101 Page 8 of 21 1012031521-0 M437953 [0015]

23 is in communication with the optical channel 32. The first fixing base 54 includes a wall 541 for accommodating the optical fiber 33 to fix the optical fiber 33, and the blocking block 53 protrudes from the through slot 51. In this embodiment, the blocking Block 53 protrudes from the wall 541 downwardly toward the slot 51. As shown in FIG. 3A and FIG. 4, the filter member 40 is located between the light entrance 31 and the light exit opening 23, and is slidably disposed in the through slot 51. The filter member 40 includes a body. 41 and a first hole 42 extending through the body 41 and a second hole 43 different from the first hole 42 . The first hole 42 has a larger hole diameter than the second hole 43 . In the embodiment, the filter member 40 further has a plurality of third holes 45 having different apertures between the first hole 42 and the second hole 43. The third holes 45 extend through the body 41 and The first hole 42 and the second hole 43 are arranged in the same straight line direction, wherein the third hole 45 has an aperture between the first hole 42 and the second hole 43 and gradually merges from right to left. Decrement. In this embodiment, the body 41 has a plate shape, and the filter member 40 further has a positioning wall 44 standing around the body 41. The positioning wall 44 includes a first connecting the two ends of the body 41 respectively. The main positioning wall 441 and a second main positioning wall 442 and an auxiliary positioning wall 443 connected to the two sides of the main body 41 and disposed between the first main positioning wall 441 and the second main positioning wall 442. [0016] Please refer to FIG. 3B for a cross-sectional view of the AA structure of the filter member in the second position in the second embodiment of the present invention. The filter member 40 has a first position relative to the light-receiving portion 20 and In a second position, when the filter member 40 is in the first position relative to the light receiving portion 20, the first hole 42 is aligned with the optical channel 32, and the first main positioning wall 441 and the blocking block are 53 abut each other, as shown in FIG. 3A; when the light filter 40 is to be in the second position relative to the receiving unit 1012097# single number deletion 1 page 9 / 21 page 1012031521-0 M437953 The second hole 43 is aligned with the optical channel 32 by sliding the filter member 40 in the through slot 51. At this time, the second main positioning wall 442 and the blocking block 53 abut each other. , as shown in Figure 36. Accordingly, the user can select the first hole 42, the second hole 43 or the third hole 45 to align the optical device according to different requirements by adjusting the position of the filter member 40 relative to the light receiving portion 20. The channel 32 changes the amount of light entering the optical detecting portion 30 by transmitting the light through different apertures.

[0017] This embodiment takes the measurement of the light-emitting diode die as an example, and the hair is taken as an example.

The light diode is electrically light-emitting, and the light enters the diffusing space 24 from the light-receiving port 22, and is directly guided to the light-emitting port 23, or indirectly guided by the diffusing coating 213 to the light-emitting port 23, and then through the light-emitting port. The port 23 exits the diffusing space 24 and enters the optical channel 32. In the optical channel 32, the light passes through the first hole 42, the second hole 43 or the third hole located on the filter member 40. 45. The optical fiber 33 enters the optical fiber 33 through the optical entrance 31, and is transmitted to the measurement module through the optical fiber 33 for optical property measurement. Since the apertures of the first hole 42, the second hole 43 and the third hole 45 are smaller than the light exit port 23, the amount of light entering the light entrance port 31 is determined by the first hole 42 and the first hole 42. The aperture of the second hole 43 and the third hole 45 are determined, and the user can change the first hole 42 with a larger aperture or the smaller aperture according to the intensity of the light source 10 and the effective measurement value of the measurement module. The second hole 43 or the third hole 45, when the intensity of the light source 10 is weak, the filter member 40 can be slid to the first position; when the intensity of the light source 10 is strong, the filter member 40 is slid To the second position. [0018] It should be noted that, in the filter member 40 of the foregoing embodiment, the body 41 is 10120975# single number A〇101 page 10/total 21 page 1012031521-0 M43'7953 long year board The present invention is not limited thereto. The body 41 can also be designed as a disk according to actual manufacturing or use requirements, for example, the first hole 42 , the second hole 43 and the third hole 45 . Arranged in the direction of rotation of the body 41, respectively, and through the rotation mode, the third hole 42, the second hole 43 or the third hole 45 is aligned with the hole for the user to switch different apertures. According to the prior art, the present invention has the following characteristics: [0020] [0020] /, using the filter disposed between the light inlet and the light exit port The filtering function enables the intensity of the light entering the light entrance to meet the range of effective measurement values allowed by the optical detecting portion, so as to improve the measurement error caused by the high intensity of the light source in the prior art. problem. 1. By adjusting the position of the filter member relative to the light-receiving portion, the operator can control the amount of light entering the optical detecting portion without replacing the entire optical a: measuring device, which is convenient for use. [0022] - II. In the present invention, the filter member is slidably disposed in the through slot, and the structure of the filter member is stabilized by the positioning wall and the stopper block, so that the filter member is smoothly disposed on the filter member The troughing reduces the problem of the positional shift and affects the transmission of the first line due to structural instability. [0023] Therefore, the analysis type is extremely progressive and meets the requirements for applying for a new type of patent. Mai applied for it according to law, and the analysis bureau gave a patent as early as possible. [〇〇24] u 〇10120975#· Single bat No. AOuu has been described in detail in the present invention, but the above is only a preferred embodiment of the present invention, and the scope of the present invention cannot be limited. . That is, the equal changes and modifications made in accordance with the scope of this new application shall remain within the scope of the patent of this new type. 1012031521-0 Page 11 of 21 M437953 [Simple Description of the Drawings] [0025] FIG. 1A is a schematic cross-sectional view showing the structure of the filter member in the first position in the first embodiment of the present invention. 1B is a cross-sectional view showing the structure of the filter member in a second position in the first embodiment of the present invention. . 2 is a perspective view of a second embodiment of the present invention. 3A is a cross-sectional view showing the A-A structure in which the filter member is located at the first position in the second embodiment of the present invention. 3B is a cross-sectional view showing the A-A structure in which the filter member is located at the second position in the second embodiment of the present invention. 4 is a partial enlarged view of FIG. 3B. [Main component symbol description] [0031] 10: Light source [0032] 20: Light-receiving portion [0033] 21: Housing [0034] 211: Upper housing [0035] 212: Lower housing [0036] 213: Diffuse Coating [0037] 22: Light-receiving port [0038] 23: Light-emitting port [0039] 24: Diffuse space HU2097# Single number deletion 1 Page 12/Total 21 page 1012031521-0 M437953 [0040] 30: Optical inspection [0041] 31 : Light inlet [0042] 32 : Optical channel [0043] 33 : Optical fiber [0044] 40 : Filter [0045] 41 : Body [0046] 42 : First hole # [0047] 43 : Second hole [0048] 44: positioning wall [0049] 441: first main positioning wall [0050] 442: second main positioning wall [0051] 443: auxiliary positioning wall [0052] 45: third hole • [0053] 50: connection portion [0054] 51: through slot [0055] 52: opening [0056] 53: stop block [0057] 54: first mount [0058] 541: tube wall [0059] 55: second mount 10120975#单号Ai)1Q1 ^ 13 I / ^ 21 1 1012031521-0

Claims (1)

M437953 VI. Patent Application Range: An optical measuring device for measuring an optical property of a light source, the optical measuring device comprising: an optical detecting portion comprising an optical connection with the light source for the light source to enter a light entrance of the optical detecting portion; and a filter disposed between the light inlet and the light source, comprising: a body and a first hole penetrating the body and the first hole being different from the first hole a second hole of the hole, wherein the filter member has a first position for aligning the first hole with the light entrance port and a second position for aligning the second hole with the light entrance port position. The optical measuring device of claim 1, further comprising a connecting portion disposed between the light inlet and the light source, the connecting portion having a filter for the first position a slot that moves between the second position, an opening that is in contact with the slot and that communicates with the light entrance, and a stop block that is disposed in the slot. The optical measuring device according to claim 2, wherein the connecting portion further comprises a first fixing seat that is in contact with the optical detecting portion and a side of the filter member that is adjacent to one side of the light source. a second fixing seat, the first fixing seat covers the second fixing seat and forms the through groove between each other. The optical measuring device of claim 3, wherein the optical detecting portion comprises an optical fiber optically connected to the optical inlet and fixed to the first fixing seat, and a measurement connected to the optical fiber. Module. The optical measuring device of claim 2, wherein the filter member further has a positioning wall disposed around the body. The optical measuring device of claim 5, wherein the positioning wall comprises a first main positioning wall and a second main 1〇12〇975 unit number A01〇l respectively connected to the two ends of the body The optical measuring device of claim 6, wherein the first main positioning wall and the second main positioning wall are respectively located at the filter member. When the first position and the second position are in contact with each other, the stoppers abut against each other. 8. The optical measuring device of claim 7, wherein the filter further comprises an auxiliary body connected to both sides of the body and disposed between the first main positioning wall and the second main positioning wall. Position the wall. The optical measuring device according to claim 2, wherein the light-receiving portion is disposed between the light source and the filter member, and the light-receiving portion includes a connection portion connected to the connecting portion. a light-receiving opening through the housing, a light-receiving opening and a light-emitting opening through the housing, and a diffusing space disposed between the light-receiving opening and the light-emitting opening and communicating with each other The light source enters the diffusion space, and the light exit port forms an optical channel with the light entrance. The optical measuring device according to claim 9, wherein the optical measuring device is an integrating sphere. The optical measuring device according to claim 1, wherein the optical detecting device The optical measuring device includes an optical fiber optically connected to the optical port and a measuring module connected to the optical fiber. The optical measuring device according to claim 11, wherein the measuring module is The optical measuring device according to claim 1, wherein the first hole has a larger diameter than the second hole β 10120975. The single number ΑΟίοι page 15 / 21 pages 1012031521-0