TWI468620B - Reading light - Google Patents

Description

reading light

The invention relates to a reading lamp, in particular to a reading lamp which can be mounted on a portable electronic product.

The reading lamp is favored by students and people who have night reading habits because of its advantages of easy carrying, proper light intensity and no damage to the eyes. Traditional light bulbs or tubes consume more power and affect others' rest. The eye protection lamp is large in size and inconvenient to use. Therefore, it is a better choice to enjoy reading with a reading light in a student dormitory or on a trip.

The reading lamp usually includes a light transmissive panel, one or more LEDs (Light-Emitting Diodes) mounted on the inner side of the translucent panel, and a switch button. The LED can be energized or de-energized by operating the switch button to cause the reading light to illuminate or turn off. The reading light can be a separate product or attached to other products (such as a car or an electronic product, etc.), so that the user can enjoy reading with a reading light indoors or on the road. However, the positive and negative poles of the LED of the conventional reading lamp are connected to the power source through the wire and the switch button. If the number of LEDs in the reading lamp is large, the wiring is cumbersome, and the switch button and the light transmissive panel are discrete components, which is not conducive to saving. space.

In view of the above, it is necessary to provide a reading lamp that is free of cumbersome wiring and saves space.

A reading lamp comprising at least one light emitting diode and a light transmissive touch member The light-emitting diode can turn on the light-emitting diode to turn on a power signal, and the reading lamp further includes a flexible circuit board, and the light-emitting diode is connected to the power signal through the flexible circuit board.

Compared with the prior art, the touch device of the reading lamp of the present invention can be used as a switch button to turn on the power signal of the light-emitting diode when pressed, and can also be used as a light-transmitting panel to effectively utilize space; The light-emitting diode is connected to the power signal through the flexible circuit board without using complicated wires.

10‧‧‧Touch parts

12‧‧‧Transmission Department

121‧‧‧ Pressing Department

14‧‧‧Loading Department

141‧‧‧ Main body

143, 145‧‧‧ Connections

147‧‧‧Installation slot

20‧‧‧Flexible circuit board

30‧‧‧First board

32‧‧‧Lighting diode

34‧‧‧Connector

40‧‧‧Second circuit board

50‧‧‧Flexible fasteners

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is an exploded perspective view of a reading lamp in accordance with a preferred embodiment of the present invention.

2 is an assembled, isometric view of the reading light of FIG. 1.

Figure 3 is a perspective view of the touch device of the reading lamp of Figure 2 in a depressed state.

Referring to FIG. 1 , a preferred embodiment of the present invention includes a touch device 10 , a flexible circuit board 20 , a first circuit board 30 , and a second circuit board 40 .

The contact member 10 includes a light transmitting portion 12 and a bearing portion 14 connected to the light transmitting portion 12. A circular pressing portion 121 is recessed at one end of the light transmitting portion 12, and the pressing member 10 can be pressed from the pressing portion 121 after the other end of the touch member 10 is pivotally fixed. The carrying portion 14 includes a main body portion 141 and two connecting portions 143 and 145 extending upward from the two ends of the main body portion 141 and connected to the transparent portion 12, the connecting portion 143 having a length greater than the connecting portion The length of the portion 145 is such that the angle between the light transmitting portion 12 and the main body portion 141 of the carrying portion 14 is an acute angle. A mounting groove 147 is defined in the joint between the main body portion 141 of the carrying portion 14 and the connecting portion 143.

The flexible circuit board 20 is made of a polyimide or a polyester film. Flexible printed circuit board. The use of the flexible circuit board 20 enables electrical connection between the two circuit boards, eliminating the need for complicated wire connections.

The first circuit board 30 is provided with two light-emitting diodes 32 and a connector 34. The positive and negative electrodes of each of the light-emitting diodes 32 are connected to the first circuit board 30 through a layout. The connector 34 is described.

The second circuit board 40 is a motherboard of a notebook computer (not shown). In the preferred embodiment, the reading light can be installed and applied to a notebook computer. In the case that the notebook computer is not turned on, but the battery still has power storage or the external power supply of the notebook computer, the motherboard has a backup power supply of +5V, which can be used as the power source of the light-emitting diode 32.

Referring to FIG. 2 , the first circuit board 30 is fixed on the main body portion 141 of the carrying portion 14 of the contact member 10 and is located in the space surrounded by the light transmitting portion 12 and the carrying portion 14 . Inside. A first end of the flexible circuit board 20 passes through the mounting slot 147 of the contact member 10 and is connected to the connector 34 on the first circuit board 30. A second end of the flexible circuit board 20 is located at the The outer side of the carrying portion 14 is fixed to the outer side of the carrying portion 14 of the contact member 10 via an elastic fixing member 50. The elastic fixing member 50 may be a sponge, a spring or the like. When the touch device 10 is in an initial position, the second end of the flexible circuit board 20 leaves the second circuit board 40, the light-emitting diode 32 is in a power-off state, and the reading light is turned off.

Referring to FIG. 3, the pressing member 10 is pressed from the pressing portion 121 (after the other end of the transparent portion 12 is pivotally fixed), and the bearing portion 14 of the contact member 10 is pressed down. The second end of the flexible circuit board 20 and the second end of the flexible circuit board 20 electrically contact the corresponding end of the second circuit board 40 to turn on the second circuit The power signal on the board 40, the light emitting diode 32 is energized, read The reading light is on.

In the preferred embodiment, a corresponding gold finger may be disposed on the second end of the second circuit board 40 and the flexible circuit board 20, and the golden finger on the second end of the second circuit board 40 Corresponding gold finger contact on the second circuit board 40, and connected to the power signal (such as the backup power signal +5VSB on the motherboard) through a trace on the second circuit board 40 to make the light The diode 32 is energized.

In the preferred embodiment of the present invention, the reading light can be installed beside the liquid crystal display screen of the notebook computer (or mounted on other portable electronic devices), and the power signal on the computer motherboard (or the motherboard of other electronic devices) can be used as a power signal. Reading the power of the lamp, the user can enjoy reading with the reading lamp indoors or on the road without the computer being turned on, the power consumption is small, the eye is not damaged, and the rest of the person is not affected.

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-mentioned preferred embodiments of the present invention are intended to be within the scope of the following claims.

10‧‧‧Touch parts

12‧‧‧Transmission Department

121‧‧‧ Pressing Department

14‧‧‧Loading Department

141‧‧‧ Main body

143, 145‧‧‧ Connections

147‧‧‧Installation slot

20‧‧‧Flexible circuit board

30‧‧‧First board

32‧‧‧Lighting diode

34‧‧‧Connector

40‧‧‧Second circuit board

50‧‧‧Flexible fasteners

Claims (8)

A reading lamp includes at least one light emitting diode and a light transmissive contact member, and pressing the touch device enables the light emitting diode to be powered on, and the reading lamp further comprises a flexible circuit board. The light emitting diode is connected to the power signal through the flexible circuit board, the light emitting diode is mounted on a first circuit board, and the first circuit board is provided with a connector, the flexible circuit One end of the board is connected to the connector, and is connected to the light emitting diode through the connector. The reading lamp of claim 1, wherein the touch member comprises a light transmitting portion and a carrying portion connected to the light transmitting portion, and the first circuit board is mounted on the carrying portion And located in the space enclosed by the light transmitting portion and the carrying portion. The reading lamp of claim 2, wherein an elastic fixing member is fixed between the other end of the flexible circuit board and the carrying portion, and the pressing member is loaded when the pressing member is pressed. Pressing the elastic fixing member and the other end of the flexible circuit board to cause the other end of the flexible circuit board to turn on the power signal. The reading lamp of claim 3, wherein the two ends of the flexible circuit board are respectively located at inner and outer sides of the carrying portion. The reading lamp of claim 4, wherein the carrying portion comprises a main body portion and two connecting portions extending from both ends of the main body portion and connected to the light transmitting portion, wherein a connecting portion The length is greater than the length of the other connecting portion, and the first circuit board is mounted on the main body portion of the carrying portion. The reading lamp of claim 5, wherein a connection slot is formed at a junction of the main body portion of the carrying portion and a longer connecting portion, and one end of the flexible circuit board is located through the mounting slot. The inside of the carrying portion and the other end are located outside the carrying portion. The reading lamp of claim 1, wherein the power signal is derived from a second circuit board, and after pressing the touch device, the flexible circuit board electrically contacts the second circuit board, so that The light emitting diode turns on the power signal. The reading lamp of claim 7, wherein the second circuit board is a motherboard of a notebook computer, and the reading lamp is mounted on the notebook computer.