TW560169B - Light source carrier with a high reflective index - Google Patents

Abstract

A light source carrier with a high reflective index is mounted on the chassis of a scanner. The scanner is provided to scan documents. The light source carrier includes a carrier body and two carrier fastening parts. The carrier body can be placed with a light source. The inner wall of the carrier body can reflect the light emitted from the light source. The distributed area of the central part of the carrier part is smaller than the distributed area of the two sides of the carrier body. The light guiding opening located at the side of the carrier body is able to guide light to the document, thereby providing uniform illumination to the document. The carrier fastening part is arranged at the two sides of the carrier body for being fastened to the chassis, so as to mount the light source carrier on the chassis in a fastening manner.

Description

560169 V. Description of the invention (1) [Field of the invention] The present invention relates to a light source carrier, and more particularly to a light source carrier having a high reflectance without a reflection sheet and a light-cutting sheet. [Background of the Invention] ^ Please refer to FIG. 1 ', which shows a schematic diagram of a general scanner (scanner) 100 scanning a manuscript 110. In the first figure, the scanner 100 includes at least a light machine ((: 11 & 3313) 1001 and a light source 102, and the light machine 100 is used to scan a scanning platform (not (Shown in Figure 1) on the manuscript 110. The light source 102 is arranged on the light machine 101 via a lamp holder 103 to provide the light required for scanning, and the light machine 101 includes a mirror 104. Lens 106 and photosensitive element 108. When the manuscript 101 scans the manuscript 110, the light source 102 will provide light to illuminate the manuscript 110. The manuscript 110 will reflect the light provided by the light source 02. A scanning light 11 2 is generated. The reflecting mirror 104 reflects the scanning light 丨 12 so that the lens 104 can feed the scanning light 112 and focus the image on the photosensitive element 108. The photosensitive element 108 will be captured accordingly. To the scanned image. Please refer to Figure 2, which shows the schematic diagram of the optical path between the light source 102 and the manuscript 110 arranged on the lamp holder 1 in Figure 1. In Figure 2, in order to let the light source 102 The emitted light can be effectively projected on the manuscript 110 in the direction of the arrow 250 in FIG. 2. The inner wall of the socket 103 affixed on a reflective sheet 202, such that the light source portion 102 can be generated by the reflection by the reflective sheet 202 effectively emitted by the notch 103 of the socket 204 to the document 110.

TW0788F (Lijie) .Ptd Page 4 560169 V. Description of the invention (2) It should be noted that the light output of the light source 102 is not very uniform. As for the entire tube of the light source 102, it is close to the light source 1. The intensity of the light in the middle of the tube of 0 2 is strong, and the intensity of the light at the ends of the tube near the light source 102 is weak. That is, the light emitted near the center of the tube of the light source 102 is stronger than the light emitted near the ends of the tube. When all the light is irradiated on the manuscript 11 〇 along the direction of the arrow 2 50 in the second figure, the luminance near the central position of the manuscript 11 〇 will be higher than the luminance near the two ends of the manuscript 110, resulting in a luminance difference Uniform phenomenon. If the optical machine 101 receives the light reflected by the manuscript 110, the scanned image captured by the optical machine 101 will cause distortion, which will greatly affect the scanning quality. In order to solve the uneven brightness phenomenon, some manufacturers have made improvements on the reflecting sheet 204 of the lamp holder 103, as shown in Figs. 3 and 4. In Figures 3 and 4, the two edges of the reflective sheet 202 near the notch 204 are respectively pasted with light-cutting sheets 302a and 302b 'to weaken the light intensity emitted from the center of the tube body of the light source 102, so that the light can Irradiate the manuscript ii 0 evenly to improve the uneven brightness. However, adding the reflective sheet 202, light-cutting sheets 302a, and 30 2b in order on the inner wall of the lamp holder 103 will increase assembly time and overall production cost. Even when it is used for a long time or the adhesive effect is not good, the reflective sheet 202 and the light-cutting sheet 3 2a and 30 2b may be damaged or peeled off. It is inconvenient for the user to replace these damaged parts. '[Objective and Summary of the Invention] In view of this, the object of the present invention is to provide a high reflectance

TW0788F (Li Jie) .ptd 560169 V. Description of the invention (3) The light source carrier ’s integrated structure can save man-hours and production costs for assembly. In addition, the inner wall of the carrier body is the design of the light reflecting area ', I, to prevent the reflection or chopping of the common lamp holder from being damaged or falling off, and to avoid the time for the user to replace these damaged parts. According to the purpose of the present invention, a light source holder is provided for being arranged on a light scanner of a scanner, and a scanner is used to scan a manuscript. The light source carrier includes a carrier body part and two carrier fastening parts, the carrier body part is used for placing a light, and the carrier body part further includes a light reflection area and a light guide outlet. The light = radiation area is the inner wall of the base of the carrier and is used to reflect the light emitted by the light source. M = the area of the anti-luminous area near the center of the main body of the carrier is small. Light guide = on the side of the main body of the holder, which is used to guide the line leading from the light reflection area to the manuscript _L, so that the manuscript has uniform brightness. The two carriers are used to fasten to the optical machine, so that the auxiliary light source carrier can be fastened to the optical machine. Understand, ί: = I: 2 The above purpose, features, and advantages can be more obvious and easy to understand; special mention-preferred embodiment, and in conjunction with the attached drawings, detailed description [preferred embodiment] a private if Special design—high-reflectance light source carrier 1 is arranged on the light machine of the conventional scanner and a light source is placed. It reflects part of the light generated by the light source, making 彳 I ^ ^ ^ ^ ^ ^ i 1 especially the light reflected by the Shi Xianyuan carrier and the manuscript will have a more uniform brightness. As for the application practice of the light source carrier of this month, it will be attached in a preferred embodiment.

560169 V. Description of the invention (4) '" The illustration is as follows. ^ Please refer to FIG. 5, which shows a three-dimensional schematic diagram of placing the light source 102 in the light source carrier 503 of the high reflectivity light source in the preferred embodiment of the present invention. In the 5th ® light source carrier 503 includes a carrier body part 505, a carrier fastening part 50ga and 508b, and is used for placing the light source 102. And the carrier seat buckle portion 508a & 5.0b is arranged at both ends of the carrier body portion 505, and is used to fasten with the light machine of the general scanner, so that the light source carrier 503 can be fastened in a snapping manner Configured on the optical machine. Therefore, the light source 102 can be arranged on the optical machine by the light source holder 503 to provide the light required for scanning. Among these, the carrier body portion 505 is made of a highly reflective material, such as pure aluminum. The carrier body portion 505 is in the shape of a circular cylinder, and the carrier body portion 505 has a light reflecting area 502 and a light guiding outlet 504. Because the carrier body portion 505 is a highly reflective material, the inner wall of the carrier body portion 505 will form a light reflection area 50 2. The light guide exit 504 is located on the side of the carrier body portion 505 'to guide the light to the outside, for example, to irradiate a document to be scanned by the scanner. In order to allow the light source 102 to reflect and guide through the carrier body portion 505, a more uniform light is generated. The invention specifically designed the light reflection area 504 = the distribution area near the center of the carrier body portion 505 is less than The crime of the light reflection area 504 is close to the distribution area of both ends of the carrier body portion 505. That is, the centrally developed width M of the carrier body portion 505 of the present sun and moon design is smaller than the developed width D2 of both ends of the carrier body portion 505, as shown in FIG. In FIG. 6, the unfolding width of the carrier body portion 505 will gradually increase with the trend from the center of the carrier body portion 505 to both ends of the carrier body portion 505, so that it is adjacent to

560169 V. Description of the invention (5) The cross section 5 0 6 3 and 5 0 6 of the carrier body portion 50 5 of the light guide bow 丨 area exit 50 4 1) will form two curved cross sections, as shown in FIG. 5. Therefore, after the light generated by the light source 102 is reflected by the light reflection area 50 and guided by the light guide exit 504, the area of the light reflection area 504 near the center of the carrier body portion 505 is smaller than the area near the center. Because of the area of the light reflecting areas 504 at both ends of the carrier body portion 505, the light emitted through the light guide exit 504 has a uniform intensity. When the light with a uniform intensity is irradiated on a manuscript, the manuscript will produce a more uniform brightness to improve the quality of the scanned image and avoid distortion of the scanned image. When the present invention is compared with the lamp holder 103 of Fig. 3, the present invention is an integrated light source holder, and the lamp holder 103 is further provided with a reflection sheet 202, a light-cutting sheet 3 0 2a and 3 0 2b. Therefore, the assembly man-hours of the present invention will be much less than the assembly man-hours of the lamp holder 103, the reflective sheet 202, and the political light sheets 302a and 302b. It can also prevent the reflective sheet 202 and the light-cutting sheet 3 2 2a and 30 2b from being damaged or falling off, as shown in the lamp holder 103 in Fig. 3, and avoid the time for the user to replace these plated parts. However, those skilled in the art can understand that the technology of the present invention is not limited to this. For example, the light source carrier may be made by stamping a mold, and the light source carrier may be made of another highly reflective material. Moreover, the light source coupling area ′ can be configured on the carrier buckle portion to be coupled to both ends of the light source when the light source is placed in the light source carrier. When the light source holder is fastened to the optical machine through the body fastening part, the light source handle connection area will be electrically connected to the optical machine, so that the power provided to the optical machine can be shared with the light source through the light source coupling area as a Light use 0

TW0788F (Lijie) .ptd Page 8 560169

V. Description of the invention (6) [Inventive effect] The high-reflectance light source carrier disclosed in the above embodiments of the present invention has the following advantages: 1. The present invention is a one-piece structure, which saves assembly man-hours and production costs. 2. The inner wall of the main body of the carrier is designed to return the light to the community, which can prevent the reflection or chopping of the common lamp holder from being damaged or falling off, and prevent the user from replacing these damaged parts.

3. The design of the light reflecting area near the center of the carrier body is smaller than the light reflecting area near the two ends of the carrier body. The design can cause the light source to generate a more uniform light after reflecting through the light reflecting area. The manuscript has uniform brightness. In summary, although the present invention has been disclosed as above with a preferred embodiment, it is not intended to limit the present invention. Anyone skilled in this art can make various changes without departing from the spirit and scope of the invention And retouching, so the scope of protection of the invention should be defined as the scope of the attached patent application as

560169 Brief description of the drawings [Simplified description of the drawings] Figure 1 is a schematic diagram of a manuscript scanned by a general scanner. Figure 2 shows the optical path between the light source placed on the lamp holder and the manuscript in Figure 1 and is not intended. Fig. 3 is a schematic view of a light source arranged in a lamp holder having a light-cutting sheet. Fig. 4 is a schematic diagram of the unfolding after the lamp holder of Fig. 3 is imagined. FIG. 5 is a schematic perspective view of placing a light source in a light source carrier with high reflectance according to a preferred embodiment of the present invention. Fig. 6 is a schematic diagram of the development after the light source carrier of Fig. 5 is supposed to be expanded. 0 [Schematic symbol description] 1 0 0: scanner 101: optical machine 1 0 2: light source 103: lamp holder 1 0 4: reflection Mirror 106: Lens 1 0 8: Photosensitive element 11 0: Manuscript 11 2: Scanning light 2 0 2: Reflective sheet 2 0 4: Notch

TW0788F (Lijie) .ptd Page 10 560169 Simple illustration of the diagram 250: Arrow 30 2a, 3 0 2b: Cut light sheet 5 0 2: Light reflection area 5 0 3: Light source holder 50 4: Light guide exit 5 0 5: Carrier body part 50 6a, 5 0 6b: Section 5 0 8a, 5 08b: Carrier part

Η TW0788F (Powerjet) .ptd Page 11

Claims (1)

560169 6. Scope of patent application 1. A light source carrier configured to be placed on a scanner. The scanner is used to scan a manuscript. The Xiao light source carrier includes at least: • a carrier body portion for placing A light source, and the light reflecting area of the base body portion is an inner wall of the base body portion and reflects light emitted by the light source, and a distribution area of the light reflecting area near the center of the base body portion is smaller than the The area of the light reflection area near the two ends of the main body; and the human guide w, children's feet; the side of the umbrella basket of Butterfly Boots, to guide the light reflected by the light reflection area to The manuscript has uniform brightness. The transmission of the light source carrier as described in item 1 of the scope of the patent application, and further includes: Two carrier fastening parts, which are arranged at both ends of the carrier body part, are fastened to the optical machine, so that The light source carrier can be fastened on the light machine. The way of money is arranged in the light, the light, the light, the light, and the height. 3. The light source carrier as described in item 2 of the patent application scope, and the source carrier is an integrally formed structure. 4. The light source carrier as described in item 3 of the scope of patent application, the source carrier is made by a stamping die. 5. The light source carrier described in item 2 of the scope of patent application, the source carrier is made of a highly reflective substance. 6 · The light source carrier described in item 5 of the scope of patent application, the reflectance substance is pure aluminum. Light source carrier used for locating in a scanner of a scanner TW0788F (Lijie) .ptd 560169 6. In the scope of patent application, the scanner is used to scan a manuscript. The light source carrier includes at least a carrier body portion for placing a light source. The carrier body portion package and a light reflection area are The inner wall of the seat body portion is used to reflect the light emitted by the light source, and the distribution area of the light reflection area near the center of the seat body portion is smaller than that of the light reflection area near the two ends of the seat body portion And a main light guide exit, located on the side of the carrier body portion, for guiding the light reflected by the light reflection area to the manuscript, so that the manuscript has uniform brightness; and a two-carriage buckle The connection part is arranged at both ends of the body part of the carrier for fastening with the optical machine, so that the light source carrier is disposed on the optical machine in a snap-fitable manner. 8 · The light source carrier as described in item 7 of the scope of patent application, wherein the source carrier is an integrally formed structure. 9. The light source carrier according to item 8 of the patent application scope, wherein the other source carrier is made by a stamping die. ^ 1 0. The light source carrier as described in item 7 of the scope of patent application, wherein the light source carrier is made of a highly reflective substance. 11. The light source carrier as described in item 10 of the scope of patent application, wherein the substance with high reflectance is pure aluminum. 12. A light source holder configured to be mounted on a light machine of a scanner 'the scanner is used to scan a manuscript, and the light source holder includes at least: a carrier body portion made of a highly reflective substance Consolidated and used in TW0788F (Lijie) .ptd Page 13 560169 Sixth, the scope of the patent application puts a light source. The carrier body part also includes a light reflection area, which is the inner wall of the carrier body part and is used to reflect the light emitted by the light source, and the light reflection area is close to the carrier. The distribution area in the center of the seat body portion is smaller than the distribution area of the light reflection area near the two ends of the seat body portion; and a light guide outlet is located on the side of the carrier body portion to guide the light reflection The light reflected by the area onto the manuscript, so that the manuscript has uniform brightness; and ~ two carrier-mount buckle parts, which are arranged at both ends of the carrier body part, for fastening with the optical machine, so that the The light source carrier is configured in a snap-fit manner therein, and the light source carrier is an integrally formed structure and is made by a Xu mold. $ s 1 3 · As for the light source mount described in item 丨 2 of the patent application scope, the high reflectance substance is pure inscription. ,, in this Page 14