TWM445693U - Optoelectronic component inspection equipment - Google Patents

Description

Photoelectric component testing equipment

This creation is related to the detection equipment of optoelectronic components, in particular to an optoelectronic component inspection device that uses an integrating sphere to cover the optoelectronic components under test to obtain more accurate detection results.

Photoelectric components such as single-die packages or multi-die package modules, such as light-emitting diodes (LEDs), are mostly subjected to characteristic detection before leaving the factory to make photoelectric zeros by characteristics such as luminous intensity and hue. Components are classified. The foregoing detection method generally uses a probe probe to electrically contact the photoelectric component to cause the photoelectric component to emit light, thereby detecting the light-emitting characteristics of the photoelectric component, and even more utilizing an integrating sphere cover. The photoelectric components are measured to obtain more accurate detection results by means of the integrating sphere.

The current automatic detection method of the photoelectric component detecting device mostly supplies the photoelectric component to be tested to one opening of the integrating sphere, or further delivers the photoelectric component from the opening to the inside of the integrating sphere. In order to prevent the light outside the integrating sphere from entering the integrating sphere and affecting the detection result, the opening of the integrating sphere is mostly at the bottom end, and the ratio of the size of the opening to the size of the integrating sphere must be less than a certain value, so that the photoelectric zero with a larger size is obtained. Components, such as LED modules or LED strips packaged in the form of Chip on Board (COB), are difficult to enter or fully cover the opening of a general-sized integrating sphere, while larger-sized integrating spheres The price is very high, so for the larger size of the optoelectronic components, the current inspection Most of the measurement methods are to separate the upper and lower hemispheres of the integrating sphere, and manually set the photoelectric components to be tested in the integrating sphere, then combine the upper and lower hemispheres, and then perform the detection, so that the detection process is difficult. Automated, so its detection efficiency is quite low.

In other words, the conventional photoelectric component detecting device still has inconvenience to the detection method of the large-sized photoelectric component, and needs to be improved.

In view of the above-mentioned shortcomings, the main purpose of the present invention is to provide an optoelectronic component detecting device capable of automatically utilizing an integrating sphere to perform characteristic detection on a large-sized optoelectronic component.

To achieve the above object, the optoelectronic component detecting apparatus provided by the present invention comprises an integrating sphere having an opening, and a delivery unit including at least one displacement unit movable relative to the integrating sphere and accessible from the opening. a delivery device, the delivery unit comprising a carrier and a shield having a carrier for carrying an optoelectronic component, the delivery unit being displaceable from an exterior of the integrating sphere to a detection position, wherein the delivery When the unit is in the detecting position, the carrying portion of the carrying platform of the delivery unit is located in the integrating sphere, and the shielding member of the delivery unit blocks the opening of the integrating sphere.

Thereby, the design of the integrating sphere can be combined with a larger size of the photoelectric component to be tested to provide a larger opening, so that the delivery unit can deliver the photoelectric component to be tested into the integrating sphere, and when detecting The opening of the integrating sphere is blocked to prevent excessive external light from entering the integrating sphere and affecting the detection result. In other words, on the premise of using the integrating sphere of the same size, For the optoelectronic component testing equipment used in the application, the integrating sphere of the photoelectric component detecting device provided by the present invention can set a larger opening and still avoid excessive external light entering, thereby automating the large-sized optoelectronic components. The detection, without the need to manually set the photoelectric components to be tested into the integrating sphere, therefore, the photoelectric component detecting device has a wide application range, and can maintain high efficiency and good detection effect.

Preferably, in the aforementioned optoelectronic component detecting apparatus, the delivery device includes a plurality of the delivery units, and the delivery units are rotatable in synchronization and alternately rotated to the detection position. Thereby, the delivery unit not located at the detection location can be used to perform other processes, such as feeding, discharging, micro-lighting tests, etc., to make the testing device more complete and more efficient.

Preferably, in the aforementioned optoelectronic component detecting device, the delivery unit of the delivery device rotates about a vertical axis, and the opening of the integrating sphere extends substantially perpendicular to the vertical axis to form an arc, and The bearing portion of the carrying platform and the shielding member can pass through the opening of the integrating sphere.

Preferably, in the aforementioned optoelectronic component detecting apparatus, the shielding member of the delivery unit of the delivery device has an arcuate shutter having a size slightly smaller than the opening of the integrating sphere.

Preferably, in the aforementioned optoelectronic component detecting device, the delivering device comprises a rotating unit; in the delivering unit of the delivering device, the carrying platform has a mounting portion disposed on the rotating unit, and the shielding member is curved The shutter has a first shielding portion and a second shielding portion extending from the two sides of the carrying platform, and the carrying portion of the loading platform extends from the mounting portion and is located at the first shielding portion of the shielding member. The first occlusion between the second occlusion and the second occlusion The portion, the carrying portion and the second blocking portion sequentially pass through the opening of the integrating sphere.

Preferably, in the above-mentioned photoelectric component detecting device, the integrating sphere includes an upper shell member and a lower shell member which are separable from each other, and the upper shell member and the lower shell member are combined with each other to form the opening.

Preferably, in the foregoing photoelectric component detecting device, further comprising a driving unit having a moving member movable along the vertical axis, the integrating ball upper one of the shell member and the lower shell member The movable member is disposed on the movable member, and the upper and lower housing members are separated from each other and combined with each other by the moving member.

Preferably, in the above-mentioned photoelectric component detecting device, the moving member of the driving unit has a bearing surface, and the bottom of the integrating member is attached to the bearing surface and can be engaged with the lower shell member. .

Preferably, the delivery device comprises a rotation unit and a driver for driving the rotation of the rotation unit, and the delivery unit is fixed to the rotation unit and corresponds to an opening of the integrating ball; thereby, the delivery unit can be The rotating unit is driven to enter and exit the integrating sphere from the opening of the integrating sphere.

Preferably, the opening of the integrating sphere extends arcuately to the side of the integrating sphere, and the shield of the delivery unit has an arcuate shutter of a size smaller than and complementary in shape to the opening of the integrating sphere.

Preferably, the shield of the delivery unit has an inner surface coated with a reflective diffusion coating that faces the interior of the integrating sphere when the delivery unit is in the detection position.

Detailed structure of the photoelectric component testing equipment provided by this creation The making, characteristics, assembly or use will be described in the detailed description of the subsequent embodiments. However, those of ordinary skill in the art should understand that the detailed description and specific embodiments of the present invention are merely used to illustrate the present invention and are not intended to limit the scope of the patent application.

Please refer to the first figure. The optoelectronic component detecting device 10 provided in the preferred embodiment of the present invention comprises a delivery device 20 as shown in the second figure, and as shown in the third and fourth figures. One of the detecting devices 30.

Referring to the second figure, the delivery device 20 includes a base frame 22, a driver 24 (such as a servo motor) disposed on the base frame 22, and a rotation disposed on the base frame 22 and capable of being driven by the drive unit 24. The unit 26, and four delivery units 28 respectively disposed on the four mounts 262 of the rotary unit 26, are capable of being rotated by the rotary unit 26 about a vertical axis (Z-axis). The prior art is well known to those of ordinary skill in the art to which the present application pertains, since it is directly driven by a driver 24 (e.g., a servo motor) or indirectly driven through components such as a speed reduction mechanism, belt, and the like. It is not the technical focus of this application. Therefore, the detailed structure of the applicant is not described here.

Each of the delivery units 28 includes a carrier 40 and a shield 50. The loading platform 40 has an elongated shape, has a mounting portion 42 disposed on the mounting seat 262 of the rotating unit 26, and a carrying portion 44 extending from the mounting portion 42 perpendicular to the Z-axis (ie, Its extension direction is parallel In the XY plane, the carrying portion 44 is provided with a recess 442, so that an optoelectronic component 60 (in this embodiment, an LED strip) can be placed on the carrying platform 40 by the recess 442. . In fact, in addition to the use of the recess 442 to limit the fixed optoelectronic component 60, the vacuum suction mechanism may be further disposed on the loading platform 40, and the vacuum adsorption pipeline is used to match the bottom surface of the recess 442 of the bearing portion 44. A plurality of vacuum adsorption holes are provided to assist in fixing the photoelectric component 60 to be tested to the carrier portion 44 of the carrier 40.

The shielding member 50 also has a mounting portion 52 disposed on the mounting seat 262 of the rotating unit 26, and has an arc-shaped shutter 54 extending from the mounting portion 52 perpendicular to the Z-axis (ie, The extending direction is parallel to the XY plane, and the curved shutter 54 has a first blocking portion 541 and a second blocking portion 542 extending from the two sides of the carrying platform 40. The bearing portion 44 of the loading platform 40 is located between the first and second shielding portions 541 and 542 of the shielding member 50. When the mounting portion 42 of the loading platform 40 faces the direction of the carrying portion 44, the shielding member 50 The first and second shielding portions 541 and 542 are respectively located on the left and right sides of the loading platform 40.

Referring to the third and fourth figures, the detecting device 30 includes a base frame 32, a driving unit 34 and an integrating sphere 36. The driving unit 34 includes a linear actuator 342 (such as a hydraulic actuator) disposed on the base frame 32, a transfer frame 344 disposed on the linearly movable driving member 342a of the linear actuator 342, and A moving member 346 fixed to the adapter frame 344. The integrating sphere 36 includes an upper shell member 362 and a lower shell member 364 which are separable from each other. The upper shell member 362 and the lower shell member 364 are divided into points. The hollow hemisphere is generally formed, but a portion of the bottom surface of the upper shell member 362 has a recess 362a, and the remaining portion has a radially outwardly extending tenon 362b, and the top periphery of the lower shell member 364 The surface also has a recess 364a corresponding to the recess 362a of the upper shell member 362. The base 362b of the upper shell member 362 is fixed to one of the bearing surfaces 346a of the moving member 346. . The moving member 346 can be driven by the linear actuator 342 to move along the vertical axis (Z-axis), thereby separating the upper casing member 362 from the lower casing member 364 (as shown in FIG. 5) or mutual Combination (as shown in the third figure).

As shown in the fifth figure, when the upper shell member 362 and the lower shell member 364 are separated from each other, the user can set a probe point detector (not shown) in the integrating sphere 36. As shown in the third figure, when the upper shell member 362 and the lower shell member 364 are combined with each other, the bottom of the upper shell member 362 is engaged with the top of the lower shell member 364, and the two recesses 362a, 364a collectively forms an opening 366 that extends substantially perpendicular to the vertical axis (Z-axis), that is, the opening 366 extends arcuately to the side of the integrating sphere parallel to the XY plane. In other words, the shape of the opening 366 of the integrating sphere 36 is substantially complementary to the shape of the curved shutter 54 of each of the shielding members 50, and the size of each of the curved shutters 54 is slightly smaller than the size of the opening 366.

Since the bearing portion 44 of each of the loading platforms 40 and the shielding portions 541, 542 of the shielding members 50 can pass through the opening 366 of the integrating sphere 36, the delivery units 28 can be synchronously rotated by the rotating unit 26, Rotating from the outside of the integrating sphere 36 in turn to a detection position as shown in the first figure Set P1. For example, if the delivery units 28 are rotated in the counterclockwise direction when viewed from the top, the first shielding portion 541, the bearing portion 44 and the second shielding portion 542 of each of the delivery units 28 will pass sequentially. The opening 366 of the integrating sphere 36 and stays at the detecting position P1 for a short period of time during the process.

When one of the delivery units 28 is located at the detection position P1, the carrier 44 of the carrier 40, along with the photocell 60 it carries, is located at the center of the interior of the integrating sphere 36, while the shield 50 of the delivery unit 28 The opening 366 of the integrating sphere 36 is blocked. At this time, a probe point detector (not shown) disposed inside the integrating sphere 36 can be automatically controlled to be fed to the photoelectric component 60, and the probe is used. The probe of the spot detector touches the electrode contact of the optoelectronic component 60 to cause the optoelectronic component 60 located in the integrating sphere 36 to emit light, whereby the integrating sphere 36 can be utilized to detect the illumination of the optoelectronic component 60. characteristic. It should be noted that the structure of the probe point detector and its feeding mechanism are prior art well known to those having ordinary knowledge in the technical field of the present application, and are not the technical features of the present application, so the applicant is This is not detailed here. In addition, the inner surfaces 541a, 542a of the shielding portions 541, 542 of each of the shielding members 50 may be coated with a reflection diffusion of a material such as barium sulfate or polytetrafluoroethylene (PTFE) commonly known as Teflon. The coating (actually, the reflective diffusion coating can be made of any material capable of forming a white coating or white lacquer) whereby the shielding member 50 is occluded when each of the delivery units 28 is at the detection position P1. The inner surfaces 541a, 542a of the portions 541, 542 are oriented toward the inside of the integrating sphere 36, and have reflection expansion The function of scattering allows the light emitted by the object to be tested to be uniformly reflected and diffused inside the integrating sphere.

In addition, other delivery units 28 not located at the detection position P1 can also be used for other procedures; for example, the delivery units 28 not located at the detection position P1 in the first figure are respectively located at a feeding position P2, The micro-lighting position P3 and a discharge position P4, when the photoelectric component 60 to be tested is set to the delivery device 20, is placed by a feeding device (not shown) to the loading platform at the feeding position P2. 40, and will stay at the micro-lighting position P3 before rotating to the detecting position P1 to be tested by a micro-lighting tester (not shown), each of the photoelectric components 60 being subjected to the integrating sphere After the detection is completed, the delivery device 20 is taken off at the discharge position P4 by a discharge device (not shown) and delivered to a storage container (not shown) of the classified category.

On the premise of using the integrating sphere of the same size, the integrating sphere 36 of the optoelectronic component detecting apparatus 10 can match the size of the optoelectronic component 60 to be tested on the side of the integrating sphere compared to the conventional optoelectronic component detecting apparatus. A larger opening 366 is provided, and the opening 366 is blocked by each of the shielding members 50 during detection to prevent excessive external light from entering the integrating sphere 36 and affecting the detection result. Therefore, the photoelectric component detecting device provided by the present invention can automatically detect the large-sized photoelectric components without setting the photoelectric components to be tested into the integrating sphere by manpower, thereby achieving high detection efficiency, and At the same time, it has a good detection effect. The position at which the opening 366 is disposed is not limited by the embodiment of the present invention. For example, in the first figure, the opening 366 is disposed at the center of the integrating sphere 36, and the opening can also be designed. It is disposed in other areas of the integrating sphere 36.

It is worth mentioning that the optoelectronic component testing device provided by the present invention can be applied to various optoelectronic components that need to detect the illuminating characteristics by means of an integrating sphere, and the shape of each carrying platform can be designed according to the shape of the object to be tested instead of the foregoing. The shape of the elongated strip disclosed in the embodiment is limited, and the shape of the opening of the integrating sphere and the shape of each of the shielding members are also designed to be changed with different objects. The long-length carrying platform 40 can also be used to carry the optoelectronic components smaller than the optoelectronic component 60 without changing the length of the carrying platform 40. In this case, the object to be tested is disposed in the The specific position of the recess 442, such as the center of the recess 442, causes the delivery unit 28 to swing and stop at the detection position P1, and the object to be tested is located at the center of the inside of the integrating sphere 36 for detection. In other words, the optoelectronic component testing equipment provided by this creation has a wide range of applications, and can be applied to optoelectronic components of various shapes and sizes to automatically detect optoelectronic components. Secondly, the number of delivery units 28 of the delivery device 20 used in the present application is not limited to the four groups disclosed herein, and the number thereof may be increased or decreased according to actual detection procedures. In other words, the delivery device 20 has at least one group. The delivery unit 28 is sufficient. Furthermore, the integrating sphere 36 disclosed in the foregoing embodiment is designed such that the upper shell member 362 and the lower shell member 364 can be separated from each other, which facilitates setting and repairing or replacing a probe such as a probe inside the integrating sphere 36. A detecting member such as a detector, however, the design in which the integrating sphere is separable from the upper and lower shell members is merely an example of a preferred design and is not a necessary condition for achieving the creative purpose of the creation.

Finally, it must be stated again that this creation was disclosed in the previous embodiment. The constituent elements are for illustrative purposes only and are not intended to limit the scope of the present invention. Alternatives or variations of other equivalent elements are also covered by the scope of the patent application.

10‧‧‧Photoelectric component testing equipment

20‧‧‧ delivery device

22‧‧‧ pedestal

24‧‧‧ Drive

26‧‧‧Rotating unit

262‧‧‧ Mounting

28‧‧‧Delivery unit

30‧‧‧Detection device

32‧‧‧ pedestal

34‧‧‧ drive unit

342‧‧‧Linear actuator

342a‧‧‧Driver

344‧‧‧Transfer rack

346‧‧‧Mobile parts

346a‧‧‧ bearing surface

36‧‧·score ball

362‧‧‧Upper case

362a‧‧‧ vacancies

362b‧‧‧ convex

364‧‧‧ Lower case

364a‧‧‧ vacancies

366‧‧‧ openings

40‧‧‧Loading station

42‧‧‧Installation Department

44‧‧‧Loading Department

442‧‧‧ Groove

50‧‧‧Shields

52‧‧‧Installation Department

54‧‧‧Arc-shaped shutter

541‧‧‧First occlusion

541a‧‧‧ inner surface

542‧‧‧Second occlusion

542a‧‧‧ inner surface

60‧‧‧Photoelectric components

P1‧‧‧Detection location

P2‧‧‧ feeding position

P3‧‧‧ micro-lighting position

P4‧‧‧Drawing position

The first figure is a three-dimensional combination diagram of the photoelectric component detecting device and the four photoelectric components provided by a preferred embodiment of the present invention; the second figure is one of the photoelectric component detecting devices provided by the preferred embodiment of the present invention. a three-dimensional combination diagram of the delivery device and the photoelectric components of the photoelectric components; the third and fourth figures are a three-dimensional combination diagram of the detection device of the photoelectric component detection device provided by the preferred embodiment; Similar to the first figure, an integrating sphere of the detecting device of the photoelectric component detecting apparatus provided by the preferred embodiment of the present invention is shown in which the upper and lower shell members are separated from each other.

10‧‧‧Photoelectric component testing equipment

20‧‧‧ delivery device

26‧‧‧Rotating unit

28‧‧‧Delivery unit

30‧‧‧Detection device

32‧‧‧ pedestal

36‧‧·score ball

362‧‧‧Upper case

364‧‧‧ Lower case

366‧‧‧ openings

40‧‧‧Loading station

42‧‧‧Installation Department

44‧‧‧Loading Department

50‧‧‧Shields

541‧‧‧First occlusion

541a‧‧‧ inner surface

542‧‧‧Second occlusion

542a‧‧‧ inner surface

60‧‧‧Photoelectric components

P1‧‧‧Detection location

P2‧‧‧ feeding position

P3‧‧‧ micro-lighting position

P4‧‧‧Drawing position

Claims (26)

An optoelectronic component detecting apparatus comprising: an integrating sphere having an opening; and a delivery device comprising at least one delivery unit displaceable relative to the integrating sphere and accessible from the opening, the delivery unit comprising a carrying platform and a shielding member having a carrying portion for carrying an optoelectronic component, the delivery unit being displaceable from the outside of the integrating sphere to a detecting position, and the carrying portion of the carrying unit of the delivering unit Located within the integrating sphere, and the shield of the delivery unit blocks the opening of the integrating sphere. The optoelectronic component inspection apparatus of claim 1, wherein the delivery device comprises a plurality of the delivery units, the delivery units being rotatable in unison and rotating to the detection position in turn. The photoelectric component detecting apparatus according to claim 1 or 2, wherein the delivery unit of the delivery device rotates about a vertical axis, and the opening of the integrating sphere extends substantially perpendicular to the vertical axis. The arc is shaped, and the bearing portion of the carrying platform and the shielding member can pass through the opening of the integrating sphere. The optoelectronic component detecting apparatus of claim 3, wherein the shielding member of the delivery unit of the delivery device has an arcuate shutter having a size slightly smaller than an opening of the integrating sphere. The photoelectric component detecting device of claim 4, wherein the delivery device comprises a rotating unit; and the delivery unit of the delivery device has a mounting portion disposed on the rotating unit, the shielding member The curved shutter has one of extending from the two sides of the carrying platform The first shielding portion and the second shielding portion extend from the mounting portion and are located between the first shielding portion and the second shielding portion of the shielding member. The photoelectric component detecting device according to claim 5, wherein the integrating sphere comprises an upper shell member and a lower shell member which are separable from each other, and the upper shell member and the lower shell member are combined with each other to form the Opening. The photoelectric component detecting device of claim 6, further comprising a driving unit having a moving member movable along the vertical axis, the integrating ball upper shell member and the lower shell member One of the upper housing members and the lower housing member can be separated from each other and combined with each other by the moving member. The photoelectric component detecting device of claim 7, wherein the moving member of the driving unit has a bearing surface, and the bottom of the integrating member is attached to the bearing surface and can be coupled to the lower shell The pieces are joined. The photoelectric component detecting device of claim 8, wherein the first blocking portion and the second shielding portion of the shielding member have a reflective diffusion coating layer respectively disposed in the delivery unit of the delivery device The surface, each of the inner surfaces, faces the interior of the integrating sphere when the delivery unit is in the detection position. The photoelectric component detecting apparatus according to claim 3, wherein the delivery device comprises a rotating unit; and the delivery unit of the delivery device has a mounting portion provided on the rotating unit, the shielding member Having a first shielding portion and a second shielding portion extending from two sides of the carrying platform, the bearing portion of the loading platform extending from the mounting portion And located between the first shielding portion and the second shielding portion of the shielding member. The photoelectric component detecting device according to claim 10, wherein the integrating sphere comprises an upper shell member and a lower shell member which are separable from each other, and the upper shell member and the lower shell member are combined with each other to form the Opening. The photoelectric component detecting device of claim 11, further comprising a driving unit having a moving member movable along the vertical axis, the integrating ball upper shell member and the lower shell member One of the upper housing members and the lower housing member can be separated from each other and combined with each other by the moving member. The photoelectric component detecting device of claim 12, wherein the moving member of the driving unit has a bearing surface, and the bottom of the integrating member is attached to the bearing surface and can be coupled to the lower shell The pieces are joined. The photoelectric component detecting device of claim 13, wherein in the delivery unit of the delivery device, the first shielding portion and the second shielding portion of the shielding member respectively have a coating with a reflective diffusion coating The surface, each of the inner surfaces, faces the interior of the integrating sphere when the delivery unit is in the detection position. The photoelectric component detecting device according to claim 3, wherein the integrating sphere comprises an upper shell member and a lower shell member which are separable from each other, and the upper shell member and the lower shell member are combined with each other to form the Opening. The photoelectric component detecting device of claim 15, further comprising a driving unit having a moving member movable along the vertical axis, wherein the integrating ball is upper and lower It A pair is disposed on the moving member, and the upper case member and the lower case member are separated from each other and combined with each other by the moving member. The photoelectric component detecting device of claim 16, wherein the moving member of the driving unit has a bearing surface, and the bottom of the upper shell of the integrating sphere is attached to the bearing surface and can be coupled to the lower shell The pieces are joined. The optoelectronic component detecting apparatus of claim 17, wherein the shielding unit of the delivery unit of the delivery device has an arcuate shutter having a size slightly smaller than an opening of the integrating sphere. The photoelectric component detecting device according to claim 18, wherein in the delivery unit of the delivery device, the curved shutter of the shielding member has an inner surface coated with a reflective diffusion coating, the inner surface being The delivery unit is located towards the interior of the integrating sphere when in the detection position. The photoelectric component detecting device according to claim 1, wherein the delivery device comprises a rotating unit and a driver for driving the rotating unit to rotate, and the delivery unit is fixed to the rotating unit and should be integrated The opening of the ball; whereby the delivery unit can be driven by the rotating unit to enter and exit the integrating sphere from the opening of the integrating sphere. The photoelectric component detecting device according to claim 20, wherein the opening of the integrating sphere extends in an arc shape on a side of the integrating sphere, and the shielding member of the delivery unit has a size smaller than and a shape complementary to An arcuate shutter of the opening of the integrating sphere. The photoelectric component detecting device of claim 21, wherein the carrying unit of the delivery unit has a rotating unit a mounting portion, and the arc-shaped shutter of the shielding member has a first shielding portion and a second shielding portion extending from the two sides of the loading platform, and the bearing portion of the loading platform extends from the mounting portion And located between the first shielding portion and the second shielding portion of the shielding member. The photoelectric component detecting device according to claim 22, wherein the integrating sphere comprises an upper shell member and a lower shell member which are separable from each other, and the upper shell member and the lower shell member are combined with each other to form the Opening. The photoelectric component detecting device of claim 23, further comprising a driving unit, the driving unit having a moving component, wherein one of the upper and lower casing members of the integrating sphere is fixed to the moving component . The photoelectric component detecting device of claim 24, wherein in the delivery unit of the delivery device, the first shielding portion and the second shielding portion of the shielding member respectively have a coating of a reflective diffusion coating The surface, each of the inner surfaces, faces the interior of the integrating sphere when the delivery unit is in the detection position. The photoelectric component detecting device of claim 1, wherein the shielding member of the delivery unit has an inner surface coated with a reflective diffusion coating, the inner surface being oriented when the delivery unit is located at the detecting position The inside of the integrating sphere.