TWI413747B - Light-guide pole and lamp-house using same - Google Patents

Abstract

A light-guide pole and lamp-house using same is provided. The lamp-house using the light-guide pole includes a light-guide pole and a lamp-house. The light-guide pole includes a base and a body. The base has a first surface and a second surface. On the first surface is a first optics element. The body is connected to the base's first surface. The body has a second optics element. The lamp-house is near the second optics element. The lamp-house infrades light. The light rips into the second and first optics element in order and runs out from the base' s second surface.

Description

Light guide column and light source device having the same

The invention relates to a light guiding column and a light source device having the same.

With the development of electronic technology, mobile electronic devices such as mobile phones, digital cameras and personal digital assistants (PDAs) have become a necessity for people to produce and live. In order to facilitate the use of the portable electronic device in a light-dark environment, it is generally required to provide a light source device having a light guide column on the circuit board of the portable electronic device to illuminate the keyboard or the display screen. The light source device with the light guide column is used to guide the light emitted by the light source to a predetermined position or to a secondary light source of a specific shape.

Referring to FIG. 1 , a light source device 10 having a light guiding column includes a light source 11 and a light guiding column 12 , wherein the light guiding column 12 is a linear light guiding column having a first end 121 , a first end and a first end 121 opposite second end 122 and a peripheral wall 123 connecting the first end 121 and the second end 122. The light source 11 is disposed adjacent to the first end 121 and is adapted to emit light. The peripheral wall 123 of the light guide column 12 is provided with a "serrated" reflective structure 124. The light emitted by the light source 11 enters the light guide column 12 from the first end 121, and is reflected by the second end 122 by the multiple reflection of the reflective structure 124.

However, the light source device 10 having a light guiding column causes light to be transmitted during conduction The multiple reflection energy is reduced more, so that the light utilization rate is lowered, so that the brightness of the emitted light is insufficient, and if the light source 11 having a higher power is used, the cost of the entire portable electronic device is increased. In addition, the light source device 10 having the light guiding column can only conduct light in a straight line, which greatly limits the application range of the light source device 10 having the light guiding column.

Known motion devices are limited to a few functions. For example, a device must apply resistance to stop the movement of a pair of artificial sliding members that do not change immediately depending on the physical strength of the user. Moreover, the prior art devices are not capable of adjusting the resistance by means of a rail that increases the movement of the dual artificial sliding members thereon. Moreover, the device of the prior art is not suitable for providing a method of movement, i.e., particularly with individual methods of pointing to the arm, chest, or leg muscles. Finally, the device of the prior art is rather bulky and difficult to store in small storage areas.

Therefore, it is necessary to develop a low-cost, continuous resistance exercise method, a portable exercise device that not only can contract the abdominal muscles, but also can make the shoulder, arm, chest, back, leg and buttock muscles of the user Contraction under any physical condition.

In view of this, it is necessary to provide a light guide column having a high light guiding efficiency and a wider light transmission range.

It is also necessary to provide a light source device having the light guide.

A light guide column, the light guide column includes a substrate and a main body, the substrate has a front surface and a reverse surface opposite to the front surface, and a first optical element is disposed on the front surface One end of the main body is connected to the front surface of the substrate, and a second optical component is disposed in the main body, and the second optical component is incident on the light of the light guiding column and is sequentially refracted through the second optical component and the first optical component. Then it is ejected from the opposite side of the substrate.

A light source device having a light guiding column, comprising a light guiding column and a light source, the light guiding column comprising a substrate and a main body, the substrate having a front surface and a reverse surface opposite to the front surface, wherein the front surface is provided with a first optical component One end of the main body is connected to the front surface of the substrate, and a second optical component is disposed in the main body. The light source is disposed adjacent to the second optical component. The light source is used to emit light, and the light is incident on the guide by the second optical component. The light column is then refracted by the first optical element and the second optical element and then emitted from the opposite side of the substrate.

Compared with the prior art, the light source device with the light guide column of the present invention transmits the light emitted by the light source to the opposite side of the substrate by providing two optical elements, thereby avoiding the energy of the light due to excessive reflection. Loss, but also achieve the curve conduction of light, which is conducive to the assembly of portable electronic devices.

(known)

10‧‧‧Light source device with light guide column

11‧‧‧Light source

12‧‧‧Light guide

121‧‧‧ first end

122‧‧‧ second end

123‧‧‧Wall

124‧‧‧Reflective structure

(this invention)

20‧‧‧Light source device with light guide column

21‧‧‧Light source

22‧‧‧Light guide

23‧‧‧Substrate

24‧‧‧ Subject

25‧‧‧ boards

231‧‧‧ positive

232‧‧‧n

233‧‧‧ card holder

241‧‧‧ first wall

242‧‧‧ second wall

243‧‧‧ third wall

244‧‧‧Injection end

245‧‧‧ openings

246‧‧‧ cavity

247‧‧‧Light source receiving slot

248‧‧‧ partition wall

249‧‧‧Second optical component

2311‧‧‧First optical component

1 is a schematic plan view of a conventional light source device; FIG. 2 is a perspective view of a light source device having a light guide column according to a preferred embodiment of the present invention; FIG. 3 is a perspective cross-sectional view of the light guide column shown in FIG. 2; A schematic diagram of an optical path of a light source device having a light guiding column as shown.

Generally, in accordance with the present invention, the optimal motion device includes a rail and a rail bracket slidably mounted thereto. The rail includes an elongated rail bracket, a post, and a stabilizing support member. Referring to FIGS. 1 and 2, the exercise device 10 includes a guide rail 12 and a rail bracket 14. The rail 12 includes an elongate rail member 16 that is coupled at one end to a post 20. Stabilizing support member 17 is preferably mounted to rail 12 to limit lateral movement of motion device 10.

The light source device with a light guide column of the present invention can be applied to a portable electronic device such as a mobile phone, a digital camera, and a personal digital assistant (PDA). In this embodiment, a mobile phone is taken as an example for illustration.

Referring to FIG. 2 and FIG. 3 , the light source device 20 having a light guide column includes a light source 21 and a light guide column 22 . The light source 21 is aligned with the light guide column 22.

In this embodiment, the light source 21 is a Light Emitting Diode (LED) for emitting light. The light source 21 is mounted and electrically connected to the circuit board 25 of the mobile phone.

The light guide bar 22 has an approximately "L" shape and includes a substrate 23 and a main body 24 protruding from one end of the substrate 23. The light guide bar 22 is made of a light guiding material.

The substrate 23 is substantially a rounded rectangular plate body having a front surface 231 and a reverse surface 232 opposite the front surface 231. A portion of the upper surface of the front side 231 is coated with a film to form a first optical element 2311. The first optical element 2311 can change the propagation path of the light incident thereon from the front surface 231. In this embodiment, the first optical component 2311 is a concentrated curved surface. The edge of the substrate 23 also runs through The two card holding holes 233 are opened so that the light source device 20 having the light guiding column is mounted on the mobile phone (not shown).

The main body 24 is substantially a hollow cylinder, and includes a first wall 241, a second wall 242, a third wall 243, and an incident end 244. One end of the first wall 241, the second wall 242 and the third wall 243 are connected to the front surface 231 of the substrate 23, and an opening 245 is formed adjacent to the first optical element 2311, and the first wall 241 and the second wall are simultaneously The 242 and third wall 243 enclose a cavity 246 that communicates with the opening 245. The incident end 244 is located at the other end of the first wall 241, the second wall 242, and the third wall 243, and the end portion thereof defines a substantially rectangular light source receiving groove 247 toward the cavity 246, and forms a space for the light source. A groove 247 and a partition wall 248 of the cavity 246 are formed. In fact, the partition 248 is a portion of the body 24 that faces a face of the cavity 246 and is coated with a film toward one of the light source receiving slots 247 to form a second optical component 249. The second optical element 249 can change the propagation path of the light incident thereon from the side of the light source accommodating groove 247. In this embodiment, the second optical component 249 is a concentrated curved surface. The light source accommodating groove 247 receives the light source 21 therein, and a reflective layer is disposed on the inner side of the peripheral wall, and the light for directing the light source 21 toward the peripheral wall of the light source accommodating groove 247 is reflected back to the second optical element 249. In order to prevent a part of the light from being directly incident into the external environment, the light source receiving groove 247 has a better light collecting capability, so that the light emitted by the light source 21 can be effectively concentrated on the second optical element 249, thereby improving the light guiding column 22. Light intensity.

Referring to FIG. 4, in use, most of the light emitted by the light source 21 located in the light source receiving groove 247 is directly incident on the second optical component 249 of the light guiding column 22. A small amount of light incident on the peripheral wall of the light source receiving groove 247 is re-reflected to the second optical element 249 by the reflection of the reflective layer; the light incident on the second optical element 249 passes through the second optical element 249 and The refractive action of the first optical element 2311 is emitted from the reverse surface 232 of the substrate 23.

It can be understood that the contour of the inner side of the peripheral wall of the light source accommodating groove 247 can also be changed according to the shape of the light source 21 and its position at the light source accommodating groove 247 to achieve an optimal concentrating effect, such as the light source. The contour of the inner side of the peripheral wall of the accommodating groove 247 may also be a curved surface, a curved surface, a sloped surface or a combination thereof.

It can be understood that the position of the exiting light at the opposite end 232 of the substrate 23 can be changed by adjusting the inclination of the partition wall 248 and the curvature of the first optical element 2311 and the second optical element 249.

It can be understood that the second optical element 249 can also be disposed on the side of the partition wall 248 facing the cavity 246.

It can be understood that the number of the light sources 21 may also be plural.

It can be understood that the optical element can also be a convex lens, a concave lens or the like.

The light source device 20 having the light guide column of the present invention transmits the light emitted from the light source 21 to the reverse surface 232 of the substrate 23 by providing two optical elements, thereby avoiding energy loss caused by excessive reflection of the light, and It can also realize the curve conduction of light, which is beneficial to the assembly of portable electronic devices. In addition, the light source device 20 having the light guide column further has a light source receiving groove 247 at the incident end 244 to enable the light emitted by the light source 21 to be more effectively concentrated on the second optical element 249, thereby further improving the light output of the light guide column 22. strength.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and equivalent modifications or variations made by those skilled in the art in light of the spirit of the present invention are It should be covered by the following patent application.

20‧‧‧Light source device with light guide column

21‧‧‧Light source

25‧‧‧ boards

231‧‧‧ positive

242‧‧‧ second wall

246‧‧‧ cavity

248‧‧‧ partition wall

249‧‧‧Second optical component

2311‧‧‧First optical component

Claims (8)

A light guide column includes a substrate and a main body, the substrate has a front surface and a reverse surface opposite to the front surface, the front surface is provided with a first optical component, one end of the main body is connected to the front surface of the substrate, and the main body is another A light source accommodating groove is defined at one end, and a partition wall is obliquely disposed in the main body, and the partition wall forms a cavity of the main body between the front surface of the substrate, and the partition wall spaces the light source accommodating groove from the cavity. The partition wall is disposed on a surface of the light source accommodating groove with a second optical element, and the light incident on the light guide column by the second optical element is refracted to the cavity through the second optical element, and then refracted through the cavity The first optical element is finally emitted from the opposite side of the substrate after being refracted by the first optical element. The light guide column of claim 1, wherein the partition wall is coated with a film on one side of the light source receiving groove to form the second optical element. The light guide column of claim 1, wherein a inner side of the peripheral wall of the light source accommodating groove is coated with a reflective layer for reflecting light incident on a peripheral wall of the light source accommodating groove back to the second optical element. The light guide column of claim 1, wherein a surface of the substrate is coated with a film to form the first optical element. A light source device having a light guiding column, comprising a light guiding column and a light source, wherein the light guiding column comprises a substrate and a main body, the substrate has a front surface and a reverse surface opposite to the front surface, and the front surface is provided with a first An optical component, one end of the main body is connected to a front surface of the substrate, and the other end of the main body is opened a light source accommodating groove, the partition body is obliquely disposed with a partition wall, and the partition wall forms a cavity of the main body between the front surface of the substrate, and the partition wall spaces the light source accommodating groove from the cavity, a second optical element is disposed on a surface of the partition wall facing the light source receiving groove, the light source is disposed adjacent to the second optical element, and the light source is configured to emit light, and the light is incident on the light guiding column by the second optical element The second optical element is refracted to the cavity, refracted to the first optical element via the cavity, and finally refracted from the opposite side of the substrate after being refracted by the first optical element. The light source device with a light guide according to claim 5, wherein the partition wall is coated with a film on one side of the light source receiving groove to form the second optical element. The light source device with a light guide column according to claim 5, wherein a inner side of the peripheral wall of the light source accommodating groove is coated with a reflective layer for reflecting light reflected on the peripheral wall of the light source accommodating groove back to the first Two optical components. A light source device having a light guide according to claim 5, wherein a front surface of the substrate is coated with a film to form the first optical element.