TW201625877A - Light source device with touch sensing layer - Google Patents

Abstract

A light source device with touch sensing layer comprises: at least one light source element; at least one composite optic film, each having an optical active layer and at least one touch sensing layer; and a drive control unit, wherein when a user conducts a control operation by having a finger or a palm touching or floating on one such composite optic film, the control unit controls a lighting status of the at least one light source element according to the control operation. The light source element comprises a light exit surface. The composite optic film is attached to the light exit surface of the light source element. The drive control unit comprises a capacitive touch sensing circuit, a light source driving circuit, and a control unit. The capacitive touch sensing circuit is electrically coupled to the touch sensing layer. The light source driving circuit is electrically coupled to the light source element. The control unit is electrically coupled to the capacitive touch sensing circuit and the light source driving circuit.

Description

Light source device with touch sensing layer

The present invention relates to a light source device, and more particularly to a light source device having a touch sensing layer.

Please refer to FIG. 1a and FIG. 1b, which are schematic diagrams of the appearance of two conventional light source devices. As shown in FIG. 1a and FIG. 1b, the two light source devices each have a base 10, a support rod 20, an illumination portion 30, and a switch 11. In Fig. 1a, the switch 11 is disposed on the surface of the base 10; in Fig. 1b, the switch 11 is disposed on the surface of the illumination portion 30.

Switch 11 is typically implemented as a mechanical switch. However, when the switch 11 is realized by a mechanical switch, it is easily damaged by the pressing operation, and dust and moisture easily enter the inside of the switch, resulting in a shortened actual operating life.

In order to solve the aforementioned problems, we need a novel light source device.

An object of the present invention is to provide a light source device with a touch sensing layer by combining at least one touch sensing layer with an optical layer to provide a touch operation function and/or a floating operation function.

Another object of the present invention is to disclose a light source device having a touch sensing layer that provides a thinned appearance.

Another object of the present invention is to provide a light source device having a touch sensing layer, which can provide an arcuate illumination and sensing surface for a user to easily implement a touchable luminaire.

Another object of the present invention is to provide a light source device with a touch sensing layer that allows a user to adjust the brightness, color, and illumination time length of the light source in a touch operation or a floating operation.

Another object of the present invention is to disclose a light source device with a touch sensing layer that prevents dust and moisture from entering the interior of the device.

In order to achieve the above object, a light source device having a touch sensing layer is provided, comprising: at least one light source component each having a light emitting surface; at least one composite optical film, each of the light emitting surfaces of the light source component And a driving control unit having a capacitive touch detection circuit, a light source driving circuit, and a control unit, the capacitive touch detection circuit The light source driving circuit is electrically coupled to the at least one light source component, and the control unit is coupled to the capacitive touch detection circuit and the light source driving circuit respectively. Wherein, when a user performs a control operation on a composite optical film by touch or suspension with a finger or a palm, the capacitive touch detection circuit detects by the at least one touch sensing layer Detecting a capacitance change signal, and generating an operation indication signal according to the capacitance change signal, and the control unit controls the light source driving circuit according to the operation indication signal to determine the at least one light The state of the light emitting element.

In one embodiment, the at least one touch sensing layer is composed of a material selected from the group consisting of indium tin oxide, carbon nanotubes, graphene, and metal mesh.

In one embodiment, the at least one touch sensing layer is distributed on at least a partial area or an entire area of the composite optical film to provide at least one touch sensing area.

In one embodiment, the control operation is a single point control operation or a multi-point gesture control operation.

In one embodiment, the optically active layer is comprised of an optical material selected from the group consisting of a filter material, a light diffusing material, a brightness enhancing material, a light directing material, and any combination of the foregoing.

In one embodiment, the optical layer and the at least one touch sensing layer are glued to each other.

In one embodiment, the optical layer is integrally formed with the at least one touch sensing layer.

In one embodiment, at least one of the at least one touch sensing layer and the optically active layer overlap.

In an embodiment, at least one of the at least one touch sensing layer and the optically active layer do not overlap.

In one embodiment, at least one sensing layer and the optical layer overlap in the at least one touch sensing layer, and at least one sensing layer and the optical layer do not overlap in the at least one touch sensing layer .

In one embodiment, the illumination state is a state selected by a group consisting of brightness, color, and length of illumination time.

The detailed description of the drawings and the preferred embodiments are set forth in the accompanying drawings.

10, 100‧‧‧ base

11‧‧‧ switch

20, 110‧‧‧ support rod

30‧‧‧Lighting Department

120‧‧‧ Touchable Lighting Department

121‧‧‧Light source components

121a‧‧‧Light source

121b‧‧‧Light guide plate

122‧‧‧Composite optical film

122a‧‧‧Touch sensing layer

122b‧‧‧Optical layer

130‧‧‧Drive Control Unit

131‧‧‧Capacitive touch detection circuit

132‧‧‧Light source drive circuit

133‧‧‧Control unit

1a and 1b are schematic views showing the appearance of two conventional lighting devices.

2a is a schematic diagram showing the appearance of a light source device with a touch sensing layer according to the present invention.

2b-2i is a single point control operation or multi-point gesture control operation controlled by the user by touch or suspension on the upper or lower surface of the touchable illumination portion shown in FIG. 2a by a finger or a palm. A schematic diagram of the illumination state of the touchable illumination unit.

Figure 3 is a functional block diagram of the light source device of Figure 2a.

4a-4d are schematic views of four embodiments of the composite optical film of Fig. 3.

Fig. 5a is a schematic view showing an embodiment of the light source element shown in Fig. 3.

Fig. 5b is a schematic view showing another embodiment of the light source unit shown in Fig. 3.

6a-6c are schematic views of three embodiments of a light source device of the present invention having a plurality of sensing regions.

Please refer to FIG. 2a , which is a schematic diagram of the appearance of a light source device with a touch sensing layer according to the present invention. As shown in FIG. 2a, the light source device has a base 100, a support rod 110, and a touchable illumination unit 120. As shown in FIG. 2b-2i, the user can perform a single point control operation or a multi-point gesture control operation by touch or suspension on the upper surface or the lower surface of the touchable illumination portion 120 by a finger or a palm. The illumination state of the illumination unit 120 can be touched.

Please refer to FIG. 3, which is a functional block diagram of the light source device of FIG. 2a. As shown in FIG. 3, the light source device includes a light source element 121, a composite optical film 122, and a driving control. Unit 130.

The light source element 121 may be composed of at least one self-luminous material or a light guide plate and at least one LED (light emitting diode) and have a light emitting surface to provide at least one color light, wherein the self-luminous material may be An OLED (organic light emitting diode) or a PLED (polymer light emitting diode), and the light emitting surface may be a flat surface or a curved surface to match the appearance of the touchable illumination unit 120 .

The composite optical film 122 is bonded to the light emitting surface of the light source element 121 and has an optical effect layer and at least one touch sensing layer, wherein the optical active layer may be a filter material, a light diffusing material, a brightness enhancing material, or any of the foregoing The optical sensing material is composed of a combination of an indium tin oxide, a carbon nanotube, a graphene, or a metal mesh. The at least one touch sensing layer is disposed on at least a partial area or an entire area of the composite optical film 122 to provide at least one touch sensing area, and the optical layer and the at least one touch sensing layer are mutually Gluing or integrally molding with the at least one touch sensing layer. In addition, the touch sensing layer may or may not overlap with the optical layer. That is, at least one of the at least one sensing layer may overlap with the optical layer, or at least one of the sensing layer and the optical layer do not overlap, or at least one sensing layer and the optical function The layers overlap and there is at least one sensing layer and the optically active layer does not overlap. Please refer to FIGS. 4a-4d, which are schematic diagrams of four embodiments of the composite optical film 122 shown in FIG. In the composite optical film 122 shown in FIG. 4a, a touch sensing layer 122a is over the optical layer 122b and overlaps each other; in the composite optical film 122 shown in FIG. 4b, a touch sensing layer 122a is Under the optically active layer 122b and overlapping each other; in the composite optical film 122 shown in FIG. 4c, a touch sensing layer 122a and an optically active layer 122b are located on the same plane and do not overlap each other; In the composite optical film 122 shown in FIG. 4d, a touch sensing layer 122a and an optical The active layers 122b are located on the same plane and do not overlap each other, and the other touch sensing layer 122a is under the optical active layer 122b and overlap each other.

The driving control unit 130 has a capacitive touch detecting circuit 131, a light source driving circuit 132, and a control unit 133. The capacitive touch detecting circuit 131 is connected to each of the touch sensing layers of the composite optical film 122. The light source driving circuit 132 is electrically coupled to the light source component 121, and the control unit 133 is coupled to the capacitive touch detection circuit 131 and the light source driving circuit 132, respectively.

When a user performs a control operation, a single point control operation or a multi-point gesture control operation, on the composite optical film 122 in a touch or suspension manner with a finger or a palm, the capacitive touch detection circuit 131 The at least one touch sensing layer detects a capacitance change signal, and generates an operation indication signal according to the capacitance change signal, and the control unit 133 controls the light source driving circuit 132 according to the operation indication signal to determine the light source component 121. The state of illumination. The illumination state can be brightness, color, or length of illumination time, and can be adjusted according to the needs of the user.

Please refer to FIG. 5a, which is a schematic diagram of an embodiment of the light source element 121 shown in FIG. As shown in Fig. 5a, the light source element 121 has a hollow cylindrical shape, and a plurality of light sources 121a are disposed around the column body (consisting of the light guide plate 121b). FIG. 5b is a schematic view of another embodiment of the light source element 121 shown in FIG. As shown in Fig. 5b, the light source element 121 has a hollow cylindrical shape, and a plurality of light sources 121a are provided on the circular edge of one of the columns (consisting of the light guide plate 121b). In addition, the plurality of light sources 121a may have a single color light or a plurality of color lights.

In addition, please refer to FIG. 6a-6c, which are schematic diagrams of three embodiments of the light source device of the present invention provided with a plurality of sensing regions. In the cylindrical light source device of Fig. 6a, the surface around the column body is provided with four horizontal sensing areas A, B, C, D; in the cylindrical light source device of Fig. 6b, the column body circumference The surrounding surface is provided with three vertical sensing areas A, B, C; and in the elongated light source device of Fig. 6c, two sets of sensing areas are provided. The user can adjust the brightness or color of the partial or overall light source by controlling these sensing areas, or set the length of time for which illumination is performed.

According to the above technical solution, the present invention can provide the following effects:

The light source device with the touch sensing layer of the present invention can provide a touch operation function and/or a floating operation function by combining at least one touch sensing layer with an optical component.

2. The light source device with the touch sensing layer of the present invention can provide a thinned appearance.

3. The light source device with the touch sensing layer of the present invention can provide an arcuate illumination and sensing surface for the operator to easily implement a touchable luminaire.

4. The light source device with the touch sensing layer of the present invention allows the user to adjust the brightness, color, and illumination time length of the light source by means of touch operation or floating operation.

5. The light source device with the touch sensing layer of the present invention can prevent dust and moisture from entering the device.

The disclosure of the present invention is a preferred embodiment. Any change or modification of the present invention originating from the technical idea of the present invention and being easily inferred by those skilled in the art will not deviate from the scope of patent rights of the present invention.

In summary, this case, regardless of its purpose, means and efficacy, is showing its technical characteristics that are different from the conventional ones, and its first invention is practical and practical, and it is also in compliance with the patent requirements of the invention. I will be granted a patent at an early date.

121‧‧‧Light source components

122‧‧‧Composite optical film

130‧‧‧Drive Control Unit

131‧‧‧Capacitive touch detection circuit

132‧‧‧Light source drive circuit

133‧‧‧Control unit

Claims (10)

A light source device with a touch sensing layer, comprising: at least one light source element each having a light emitting surface; at least one composite optical film, each of which is attached to the light emitting surface of one of the light source elements and each has an optical effect a layer and at least one touch sensing layer; and a driving control unit having a capacitive touch detecting circuit, a light source driving circuit, and a control unit, the capacitive touch detecting circuit and each of the touch sensing The layer is electrically coupled, the light source driving circuit is electrically coupled to the at least one light source component, and the control unit is coupled to the capacitive touch detection circuit and the light source driving circuit respectively; wherein, when a user When a finger or a palm performs a control operation on the composite optical film in a touch or suspension manner, the capacitive touch detection circuit detects a capacitance change signal by the at least one touch sensing layer, and An operation indication signal is generated according to the capacitance change signal, and the control unit controls the light source driving circuit according to the operation indication signal to determine a lighting state of the at least one light source element. The light source device with a touch sensing layer according to claim 1, wherein the at least one touch sensing layer is a group consisting of indium tin oxide, carbon nanotubes, graphene, and metal mesh. A material of choice is chosen. The light source device with a touch sensing layer according to claim 1, wherein the at least one touch sensing layer is distributed on at least a partial region or an entire region of the composite optical film to provide at least one touch Control the sensing area. The light source device with a touch sensing layer according to claim 3, wherein the control operation is a single point control operation or a multi-point gesture control operation. The light source device with a touch sensing layer according to claim 1, wherein the optical layer is composed of a filter material, a light diffusing material, a light-increasing material, a light guiding material, and any combination of the foregoing. A selected optical material is constructed. The light source device with a touch sensing layer according to claim 5, wherein the optical layer and the at least one touch sensing layer are glued or integrally formed with each other. The light source device with a touch sensing layer according to claim 5, wherein at least one of the at least one touch sensing layer and the optical layer overlap. The light source device with a touch sensing layer according to claim 5, wherein at least one of the at least one touch sensing layer and the optical layer do not overlap. The light source device with a touch sensing layer according to claim 5, wherein at least one sensing layer of the at least one touch sensing layer overlaps with the optical layer and the at least one touch sensing layer There is at least one sensing layer and the optical layer do not overlap. The light source device with a touch sensing layer according to claim 1, wherein the light emitting state is a state selected by a group consisting of brightness, color, and length of light emission time.