TWI414871B - Portable electronic device and flashlight module - Google Patents

Abstract

A portable electronic device includes a flashlight module. The flashlight module includes a light source, a fix pole, a shade, a slide orbit and a driver device. The light source is fixed on the fix pole. The shade covers the light source. The shade includes an opening disposed to make the light of the light source emitting from the opening of the shade. The shade includes a support pole. The end of the support pole is fixed on the slide orbit. The driver device is disposed for driving the support pole sliding in the slide orbit to change the direction of the opening, so as to change the direction of the light emitting from the light source.

Description

Portable electronic device and flash module

The present invention relates to a portable electronic device, and more particularly to a portable electronic device having a camera function and a flash module.

With the rapid development of multimedia technology, digital cameras, camcorders and mobile phones with cameras are increasingly favored by consumers. With the high demand for mobile phone cameras in the consumer market, many consumers hope that the camera functions of mobile phones can be more comprehensive, such as with flash lamps, to the extent that they can be comparable to ordinary consumer digital cameras.

Conventional mobile phone flash is usually fixed to the side of the lens, so the direction of the flash is generally directed to the front. When we are shooting, we often need to use the jump light for different environmental needs, that is, the flash is facing upwards, so that the light hits the ceiling and reflects down, so that the light hitting the subject is softer and more uniform, reducing the shadow. The existing mobile phone flash design cannot meet the needs of users to change the flash in different directions.

In view of the above, it is necessary to provide a portable electronic device and a flash module with a camera function that can change different directions, has a simple structure and is convenient to use.

A portable electronic device includes a flash module, the flash module includes a light source, a fixed rod, a lamp cover, a slide rail and a driving device. The light source is fixedly disposed on the fixing rod, and the lamp cover is disposed on the light source Externally, the lamp cover has an opening for emitting light emitted by the light source through the opening direction, the lamp cover has a support rod, an end of the support rod is disposed in the slide rail, and the driving device is configured to drive the support rod Moving in the slide rail changes the opening direction of the lamp cover, thereby changing the outgoing direction of the light emitted by the light source.

A flash module includes a light source, a fixed rod, a lamp cover, a slide rail and a driving device. The light source is fixedly disposed on the fixing rod. The lamp cover is disposed outside the light source, and the lamp cover has an opening. The light source emits light through the opening direction, the lamp cover has a support rod, and the end of the support rod is disposed in the slide rail, and the driving device is configured to drive the support rod to move in the slide rail, so that the lamp cover The direction of the opening changes to change the direction in which the light emitted by the light source exits.

Compared with the prior art, the flash module of the portable electronic device can be driven by the driving device to change the opening direction of the lamp cover, thereby changing the outgoing direction of the light emitted by the light source, and can meet the imaging requirements under different illumination conditions. The flash module has the advantages of simple structure and convenient use.

100‧‧‧ portable electronic devices

110‧‧‧ body

120‧‧‧Flash module

111‧‧‧ Groove

130‧‧‧Lens module

121‧‧‧Light source

122‧‧‧Fixed rod

123‧‧‧shade

124‧‧‧rails

1231‧‧‧ Cover

1232‧‧‧Support rod

1233‧‧‧hemispherical opening

1241‧‧‧Electromagnet

1234‧‧‧ iron core

125‧‧‧Transparent cover

1 is a perspective view of a portable electronic device according to an embodiment of the present invention; FIG. 2 is a partially enlarged schematic view of the portable electronic device of FIG. 1; FIG. 3 is a view of the flash module of the portable electronic device of FIG. Stereoscopic view of time; 4 is a perspective view of the flash module of the portable electronic device of FIG. 2 in another use state; FIG. 5 is a partially exploded perspective view of the flash module of the portable electronic device of FIG.

The invention will be further described in detail below with reference to the accompanying drawings.

Referring to FIG. 1 , a portable electronic device 100 according to an embodiment of the invention includes a body 110 and a flash module 120 disposed on the body 110 . The end of the body 110 has a recess 111, and the flash module 120 is disposed in the recess 111. The portable electronic device 100 further includes a lens module 130. In the embodiment, the lens module 130 is disposed on the back of the body 110. The front surface of the body 110 is provided with a screen area, a keyboard area and the like. The lens module 130 and the flash module 120 are disposed on the same side of the portable electronic device 100. In this embodiment, the portable electronic device 100 is specifically a mobile phone.

Referring to FIG. 2, the flash module 120 includes a light source 121, a fixed rod 122, a lamp cover 123, a slide rail 124, and a driving device (not shown).

The light source 121 is disposed on the fixing rod 122. The light source 121 is an LED light source. Of course, it may be another type of light source.

The fixing rod 122 is a pipe that is suspended from the inner wall of the groove 111. The power line of the light source 121 can be embedded in the fixing rod 122. The fixing rod 122 and the light source 121 are fixedly disposed in the groove 111.

The lamp cover 123 includes a cover body 1231 and a support rod 1232. The cover body 1231 is a hollow hemisphere, and the cover body 1231 has an opening 1233. The cover body 1231 uses the light source 121 Covered inside. The inner wall of the cover 1231 of the lamp cover 123 is coated with a reflective film. Thus, the light emitted by the light source 121 is reflected by the inner wall of the cover 1231 and is emitted toward the hemispherical opening 1233 of the lamp cover 123. Of course, the cover body 1231 of the lamp cover 123 can also have its inner wall mirrored so that light can also be reflected back from the inner wall of the cover body 1231 to be ejected from the hemispherical opening 1233.

The cover body 1231 is fixed to the support rod 1232, and the support rod 1232 can be integrally formed with the cover body 1231 of the lamp cover. The support rod 1232 is disposed in the slide rail 124.

The slide rail 124 has a T-shape. That is, the support rod 1232 can move left and right and downward in the slide rail 124.

The driving device (not shown) is configured to drive the support rod 1232 to move in the slide rail 124 to change the position of the lamp cover 123, thereby changing the illumination direction of the light source 121. Specifically, in the embodiment, the driving device includes three electromagnets 1241 disposed in the sliding rail 124 and a core 1234 disposed at the end of the supporting rod 1232. The three electromagnets 1241 are respectively distributed on the T The three ends of the glyph slides, so that when the lamp cover 123 needs to be moved to a certain position, the electromagnet 1241 controlled by the circuit can generate a magnetic force, and the attracting core 1234 moves to the electromagnet 1241 at the position and sucks. The support rod 1232 is thereby moved to a corresponding position in the slide rail 124. Of course, the number of the electromagnets 1241 can be more than three, and several more can be set at different positions, so that the support rods 1232 can stay at different positions.

It can be understood that the driving device can also adopt other mechanical or electric means to realize the function of driving the movement of the lamp cover 123. For example, the driving device may be a chain disposed in the slide rail 124 and a driving motor, and the chain is connected to the end of the support rod 1232. The motor controls the chain to rotate, thereby driving the support rod 1232 to move or the like.

In FIG. 2 , the support rod 1232 is located at the T-shaped intersection of the slide rail 124 . In this case, the hemispherical opening of the cover 1231 of the lamp cover 123 faces the back surface of the body 110 of the portable electronic device 100 . At this time, the light emitting direction of the light source 121 and the direction of the lens module 130 face in the same direction. By default, the shade 123 stays in this position.

As shown in FIG. 3 and FIG. 4, respectively, the lamp cover 123 is rotated to different directions. In FIG. 3, the support rod 1232 of the lamp cover 123 moves to the lower end of the T-shape in the vertical direction of the slide rail 124. At this time, the hemispherical opening 1233 of the cover 1231 of the globe 123 faces upward. The light source 121 has a light emitting direction that is directed above the body 110 of the portable electronic device 100. At this time, a jumping light is formed, that is, the outgoing direction of the light source 121 is directed upward, so that the light is hit on the ceiling and reflected, so that the light hitting the subject is softer and more uniform, and the shadow is reduced. In FIG. 4, the support rod 1232 of the lamp cover 123 is moved to the right end of the T-shaped horizontal direction of the slide rail 124. At this time, the hemispherical opening 1233 of the cover 1231 of the globe 123 faces the left side. The exit direction of the light source 121 is toward the left side of the body 110 of the portable electronic device 100. At this time, it can be used for the image fill light in special light conditions, for example, the fill light when the light on the left side is dark.

As shown in FIG. 5, the flash module 120 further includes a transparent cover 125. The transparent cover 125 is disposed outside the light source 121 for protecting the light source 121 and other components of the flash module 120 from damage. Preferably, the surface of the transparent cover 125 is provided with a microlens array (not shown) for increasing light emission efficiency and light output uniformity. The surface of the transparent cover 125 can also be provided with dots or an anti-reflection film, which can also increase the light-emitting efficiency and adjust the uniformity of light.

The portable electronic device 100 can be an electronic device such as a mobile phone, a personal digital assistant (PDA), or a digital camera.

Compared with the prior art, the flash module of the portable electronic device can be driven by the driving device to change the opening direction of the lamp cover, thereby changing the outgoing direction of the light source, and can meet the imaging requirements under different illumination conditions, and the flash module has The structure is simple and easy to use.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims.

121‧‧‧Light source

122‧‧‧Fixed rod

123‧‧‧shade

124‧‧‧rails

1231‧‧‧ Cover

1232‧‧‧Support rod

1233‧‧‧hemispherical opening

1234‧‧‧ iron core

1241‧‧‧Electromagnet

Claims (9)

A portable electronic device includes a flash module, wherein the flash module comprises a light source, a fixing rod, a lamp cover, a T-shaped slide rail and a driving device, and the light source is fixedly disposed on the fixing a lamp cover, the lamp cover is disposed outside the light source, and the lamp cover includes an opening for emitting light emitted by the light source through the opening direction, the lamp cover has a support rod and a cover body, and the support rod has two opposite ends One end of the support rod is disposed in the slide rail, and the other end of the support rod is fixed to the bottom of the cover body to drive the support rod to move in the slide rail to rotate the opening direction of the lamp cover. Change, thereby changing the direction in which the light emitted by the light source exits. The portable electronic device of claim 1, wherein the cover is hollow hemispherical. The portable electronic device of claim 1, wherein the lamp cover comprises a cover body, the inner wall of the cover is coated with a reflective film or the inner wall of the cover of the lamp cover is a mirror surface. The portable electronic device of claim 1, wherein the driving device comprises a plurality of electromagnets disposed in the sliding rail and a core disposed at an end of the supporting rod, the electromagnets being different according to the setting The position generates a magnetic force that attracts the core to move the support rod to a different position in the slide rail. The portable electronic device of claim 1, wherein the flash module further comprises a transparent cover disposed outside the light source. The portable electronic device of claim 5, wherein the surface of the transparent cover is provided with a microlens array for increasing light emission efficiency and light uniformity. The portable electronic device of claim 1, wherein the body end of the portable electronic device has a recess, and the flash module is disposed in the recess. The portable electronic device of claim 1, wherein the portable electronic device is a mobile phone. A flash module is improved in that it comprises a light source, a fixing rod, a lamp cover, a T-shaped slide rail and a driving device. The light source is fixedly disposed on the fixing rod, and the lamp cover is disposed on the light source. Externally, the lamp cover includes an opening for emitting light emitted by the light source through the opening direction, the lamp cover has a support rod and a cover body, the support rod has opposite ends, and one end of the support rod is disposed at In the slide rail, the other end of the support rod is fixed to the bottom of the cover body, and the driving device is configured to drive the support rod to move in the slide rail, so that the opening direction of the lamp cover changes in rotation, thereby changing the light source. The direction in which the light is emitted.