TWI830422B - Illuminated trackpad - Google Patents

Abstract

An illuminated trackpad includes a substrate, a light guide plate, a circuit board, and a plurality of light-emitting elements. The light guide plate is disposed under the substrate and includes a plurality of light guide units and a plurality of through holes. Each light guide unit is composed of a plurality of light guide microstructures and is substantially in the shape of a strip or a line. The through holes are respectively arranged on one side of the light guide units. The circuit board is disposed under the light guide plate. The circuit board has a touch surface and a non-touch surface. The touch surface has a touch area. A plurality of sensing electrodes are disposed on the touch area. The light-emitting elements are disposed on the circuit board and respectively accommodated in the through holes. After lights emitted by the light-emitting elements enter the light guide plate through inner walls of the through holes, the lights are guided upward through the light guide units to pass through the substrate and exit.

Description

Illuminated touchpad

The present disclosure relates to a light-emitting touch panel.

The appearance of traditional touch panel devices is usually dull and dull, so computer peripheral manufacturers have developed light-emitting touch panel devices with excellent visual effects. The backlight assembly used in the conventional light-emitting touch panel device is composed of two major components, in order from top to bottom, a light shielding sheet and a light guide plate.

As functionality continues to increase, the markings on touchpad devices become increasingly complex. If these button icons only share the same light guide plate, they will not be able to independently display or label a single button icon. In other words, the light-emitting pattern presented by the same light guide plate cannot be changed.

Therefore, how to propose a light-emitting touch panel that can solve the above problems is one of the problems that the industry is currently eager to invest in research and development resources to solve.

In view of this, one purpose of the present disclosure is to provide a light-emitting touch panel that can solve the above problems.

In order to achieve the above object, according to an embodiment of the present disclosure, a light-emitting touch panel includes a substrate, a light guide plate, a circuit board and a plurality of light-emitting elements. The light guide plate is disposed under the substrate and includes a plurality of light guide units and a plurality of through holes. Each light guide unit is composed of a plurality of light guide microstructures and is generally in a strip or line shape. The through holes are respectively provided on one side of the light guide unit. The circuit board is arranged under the light guide plate. The circuit board has a touch surface and a non-touch surface. The touch surface has a touch area. A plurality of sensing electrodes are provided on the touch area. The light-emitting components are arranged on the circuit board and respectively accommodated in the through holes. After the light emitted by the light-emitting element enters the light guide plate through the inner wall of the through hole, it is guided upward through the substrate through the light guide unit and emitted.

In one or more embodiments of the present disclosure, each light-emitting element is disposed between the sensing electrodes. There is a distance between each light-emitting element and each sensing electrode.

In one or more embodiments of the present disclosure, the light-emitting touch panel further includes an opaque light-shielding layer. The light shielding layer is arranged between the substrate and the light guide plate. The light-shielding layer has a plurality of light-transmitting areas. The light-transmitting areas are respectively arranged corresponding to the light guide units.

In one or more embodiments of the present disclosure, the light-shielding layer has at least one non-light-transmitting area. The non-transparent area is set corresponding to the optical element.

In one or more embodiments of the present disclosure, there is an opaque blocking wall between any two adjacent light-emitting elements.

In one or more embodiments of the present disclosure, the light guide plate further includes a receiving groove. The retaining wall is accommodated in the accommodation slot.

In one or more embodiments of the present disclosure, a light blocking structure is further provided in the light guide plate between any two adjacent through holes.

In one or more embodiments of the present disclosure, the light-blocking structure is a laser-engraved structure.

In one or more embodiments of the present disclosure, any two adjacent light guide units are separated from each other.

In one or more embodiments of the present disclosure, the outer frame of the light guide unit essentially presents a rectangular light guide pattern at the top and a U-shaped light guide pattern at the bottom. The number of light guide units included in the light guide pattern is at least seven.

In one or more embodiments of the present disclosure, at least seven light-emitting elements form a light-emitting element group. The light-emitting elements in the light-emitting element group respectively correspond to the light-guiding units in the light-guiding pattern.

In one or more implementations of the present disclosure, the circuit board includes a controller. The controller is configured to send a signal to control each light-emitting element in the light-emitting element group to emit light or not to emit light, so that the light guide pattern displays numbers. The number is one from 0 to 9.

In one or more embodiments of the present disclosure, the controller is further configured to sense the touch input via the sensing electrode, and is configured to change in response to the touch input moving from a first position to a second position on the touch area. The numbers presented by the light guide pattern.

In one or more implementations of the present disclosure, the circuit board includes a controller. The controller is configured to send a signal to control each light-emitting element in the light-emitting element group to emit light or not to emit light, so that the light guide pattern displays English letters. The English letters are one of A to Z.

In one or more embodiments of the present disclosure, the controller is further configured to sense the touch input via the sensing electrode, and is configured to change in response to the touch input moving from a first position to a second position on the touch area. The English letters presented by the light guide pattern.

In one or more embodiments of the present disclosure, the sensing electrode matrix is distributed in the touch area, so that the sensing electrodes correspond to independent coordinates.

In one or more embodiments of the present disclosure, the sensing electrode and the light-emitting element are disposed in the touch area.

In one or more embodiments of the present disclosure, the circuit board has a plurality of through holes. The sensing electrode is electrically connected to the controller on the non-touch surface through the through hole.

In one or more embodiments of the present disclosure, the controller is further configured to sense the touch input via the sensing electrode, and is configured to change in response to the touch input moving from a first position to a second position on the touch area. The brightness of light emitted by at least one of the light-emitting elements.

To sum up, in the light-emitting touch panel of the present disclosure, a corresponding through hole is provided on one side of each light guide unit of the light guide plate, and a corresponding light-emitting element is provided in each through hole. Therefore, the light emitted by each light-emitting element can enter the light guide plate through the inner wall of the corresponding through hole, and then be guided upward through the substrate through the corresponding light guide unit and emitted. Under this configuration, by individually controlling each light-emitting element to emit or not emit light, the light guide pattern composed of the light guide unit can display a variable pattern (for example, different numbers or English letters). In addition, the light-emitting touch panel of the present disclosure can also sense the user's touch input using sensing electrodes disposed on the circuit board, and change the pattern or brightness of the light guide pattern according to the movement path of the touch input.

The above is only used to describe the problems to be solved by the present disclosure, the technical means to solve the problems, the effects thereof, etc. The specific details of the present disclosure will be introduced in detail in the following implementation modes and related drawings.

A plurality of implementation manners of the present disclosure will be disclosed below with drawings. For clarity of explanation, many practical details will be explained together in the following description. However, it should be understood that these practical details should not be used to limit the disclosure. That is to say, in some implementations of the present disclosure, these practical details are not necessary. In addition, for the sake of simplifying the drawings, some commonly used structures and components will be illustrated in a simple schematic manner in the drawings.

Please refer to FIG. 1 , which is a perspective view of an electronic device 100 according to an embodiment of the present disclosure. As shown in FIG. 1 , in this embodiment, the electronic device 100 includes a host 110 , a display 120 and a light-emitting touch panel 200 . The light-emitting touch panel 200 is an input device provided on the host 110, but the present disclosure is not limited thereto. In practical applications, the light-emitting touch panel 200 can also be an electronic product that uses a touch panel as an input or operation interface (for example, a personal digital assistant, a keyboard including a touch panel, etc.). In other words, the concept of the light-emitting touch panel 200 of the present disclosure can be applied to any electronic product that uses the touch panel as an input or operation interface. The structure and function of some components included in the light-emitting touch panel 200 as well as the connection and operating relationship between these components will be described in detail below.

Please refer to Figure 2 and Figure 3. FIG. 2 is a partial top view of some components of the light-emitting touch panel 200 according to an embodiment of the present disclosure. Figure 3 is a partial cross-sectional view of the light-emitting touch panel 200 in Figure 1 along line segment 3-3 in Figure 2. As shown in FIGS. 2 and 3 , in this embodiment, the light-emitting touch panel 200 includes a substrate 210 , a light guide plate 220 , a circuit board 230 , a plurality of light-emitting elements 240 and a reflective sheet 270 . The light guide plate 220 is disposed under the substrate 210 and includes a plurality of light guide units 221 and a plurality of through holes 220a. Each light guide unit 221 is composed of a plurality of light guide microstructures, as shown in Figure 3 . Each light guide unit 221 is generally in a strip or line shape, as shown in Figure 2 . The through holes 220a are respectively provided on one side of the light guide unit 221. That is, each light guide unit 221 is provided with a corresponding through hole 220a on one side. The circuit board 230 is disposed under the light guide plate 220 . The light-emitting elements 240 are disposed on the circuit board 230 and are respectively received in the through holes 220a. That is, each through hole 220a is provided with a corresponding light-emitting element 240. The reflective sheet 270 is disposed between the circuit board 230 and the light guide plate 220 . The reflective sheet 270 is configured to reflect the light leaving the bottom surface of the light guide plate 220 back into the light guide plate 220 . After the light emitted by the light-emitting element 240 enters the light guide plate 220 through the inner wall of the through hole 220a, it is guided upward through the substrate 210 through the light guide unit 221 and emitted.

As shown in FIG. 3 , in this embodiment, the light-emitting touch panel 200 further includes an opaque light-shielding layer 250 . The light shielding layer 250 is provided between the substrate 210 and the light guide plate 220 . The light-shielding layer 250 has a plurality of light-transmitting areas 251 and non-light-transmitting areas 252 . The light-transmitting areas 251 are respectively provided corresponding to the light guide units 221. The non-light-transmitting area 252 is provided corresponding to the light-emitting element 240 . This prevents the light emitted by the light emitting element 240 from directly penetrating upward through the substrate 210 and ensuring that the light emitted by the light emitting element 240 reaches the light guide unit 221 before being guided upward through the substrate by the light guide unit 221 210 and shot out.

Please refer to FIG. 4 , which is a partial cross-sectional view of a light-emitting touch panel 200 according to another embodiment of the present disclosure. As shown in FIG. 4 , in this embodiment, the area of the light-transmitting area 251 of the light-shielding layer 250 is smaller than the area of the light-guiding unit 221 , and the orthographic projection of the light-transmitting area 251 on the light-guiding unit 221 is located at the light-guiding unit. Within the margin of 221. Therefore, the visible pattern finally displayed by the light emitted by the light-emitting element 240 is defined by the outline of the light-transmitting area 251, and the visible pattern has sharp edges.

Please refer to FIG. 5 , which is a partial cross-sectional view of a light-emitting touch panel 200 according to another embodiment of the present disclosure. As shown in FIG. 5 , in this embodiment, the area of the light-transmitting area 251 of the light-shielding layer 250 is equal to the area of the light-guiding unit 221 , and the orthographic projection of the edge of the light-transmitting area 251 on the light-guiding unit 221 is consistent with the area of the light-guiding unit 221 . The edges of the light unit 221 are aligned. The visible pattern finally displayed by the light emitted by the light-emitting element 240 is also defined by the outline of the light-transmitting area 251, and this visible pattern has sharp edges.

Please refer to FIG. 6 , which is a partial cross-sectional view of a light-emitting touch panel 200 according to another embodiment of the present disclosure. As shown in FIG. 6 , in this embodiment, the area of the light-transmitting area 251 of the light-shielding layer 250 is larger than the area of the light-guiding unit 221 , and the orthographic projection of the light-transmitting area 251 on the light-guiding unit 221 completely covers the light guide. edge of unit 221. Therefore, the visible pattern finally displayed by the light emitted by the light-emitting element 240 is defined by the outline of the light guide unit 221, and the visible pattern has a halo effect. In this way, two adjacent visual graphics can achieve a seamless visual effect.

In some embodiments, the material of the light shielding layer 250 includes plastic, but the present disclosure is not limited thereto. In other embodiments, the light-shielding layer 250 is an opaque coating, but the present disclosure is not limited thereto.

In some embodiments, the material of the substrate 210 may include glass or polyester film (Mylar), but the disclosure is not limited thereto.

As shown in FIG. 3 , in this embodiment, a light blocking structure 222 is further provided in the light guide plate 220 between any two adjacent through holes 220 a. This ensures that the light emitted by the light-emitting elements 240 in each through hole 220a will only reach the corresponding light guide unit 221, thereby effectively avoiding light interference between different light-emitting elements 240.

In some embodiments, as shown in FIG. 3 , the light-blocking structure 222 is a laser-engraved structure. Specifically, a laser of a certain wavelength can be driven into the interior of the light guide plate 220 to cause tiny bursts to form bubbles in specific parts of the interior, which is a laser-engraved structure. This laser-engraved structure can block the light emitted by the light-emitting element 240 and cannot continue to transmit in the light guide plate 220 .

Please refer to FIG. 7 , which is a partial cross-sectional view of a light-emitting touch panel 300 according to another embodiment of the present disclosure. In this embodiment, a modified light guide plate 320 is provided, and an opaque blocking wall 322 is also provided. Other components of this embodiment are the same as those of the embodiment shown in FIG. 3 , and therefore will not be described again here.

Specifically, in this embodiment, there is an opaque blocking wall 322 between any two adjacent light-emitting elements 240 . The light guide plate 320 further includes a receiving groove 320a. The retaining wall 322 is received in the receiving groove 320a. This can also ensure that the light emitted by each light-emitting element 240 will only reach the corresponding light guide unit 321 , thereby effectively avoiding light interference between different light-emitting elements 240 . In other words, this embodiment uses the blocking wall 322 in the accommodating groove 320a to replace the light blocking structure 222 located inside the light guide plate 220 shown in FIG. 3 .

As shown in FIG. 2 , in this embodiment, any two adjacent light guide units 221 are separated from each other. The outer frame formed by the light guide units 221 in the dotted frame essentially presents a light guide pattern with a rectangular upper part (that is, four light guide units 221 ) and a U-shaped lower part (that is, three light guide units 221 ). There are three other similar light guide patterns in Figure 2. The number of light guide units 221 included in the light guide pattern is seven (that is, seven-segment display blocks). The seven light-emitting elements 240 in the dotted frame form a light-emitting element group 241. The light-emitting elements 240 in the light-emitting element group 241 respectively correspond to the light guide units 221 in the light guide pattern.

By controlling each light-emitting element 240 of the light-emitting element group 241 in Figure 2 to emit light or not to emit light, the light guide pattern can be made to display numbers. Numbers include 0 to 9.

Please refer to Figure 8 and Figure 9. FIG. 8 is a schematic diagram illustrating a light-emitting element group 241 and a light guide pattern according to another embodiment of the present disclosure. FIG. 9 is a schematic diagram illustrating a light-emitting element group 241 and a light guide pattern according to another embodiment of the present disclosure. In the embodiment shown in FIG. 8 , the number of light guide units 221 included in the light guide pattern within the dotted frame is nine (that is, nine-segment display blocks). In the embodiment shown in FIG. 9 , the number of light guide units 221 included in the light guide pattern in the dotted frame is sixteen (that is, sixteen segment display blocks). The light-emitting elements 240 in the light-emitting element group 241 respectively correspond to the light guide units 221 in the light guide pattern.

By controlling each light-emitting element 240 in the light-emitting element group 241 in Figures 8 and 9 to emit or not emit light, the light guide pattern can not only display numbers, but also English letters. The English alphabet contains at least one of A to Z.

Please refer to FIG. 10 , which is a partial top view of some components of the light-emitting touch panel 200 in FIG. 2 . As shown in Figures 2, 3 and 10, in this embodiment, the circuit board 230 has a touch surface 231 and a non-touch surface 232. The touch surface 231 has a touch area 231a. A plurality of sensing electrodes 231b are provided on the touch area 231a. The sensing electrodes 231b are matrix-distributed in the touch area 231a, so that the sensing electrodes 231b correspond to independent coordinates. The light-emitting element 240 is provided in the touch area 231a. Each light-emitting element 240 is disposed between the sensing electrodes 231b. There is a distance between each light-emitting element 240 and each sensing electrode 231b. The controller 260 is disposed on the surface of the circuit board 230 . The circuit board 230 has a plurality of through holes 230a. The sensing electrode 231b located on the touch area 231a is electrically connected to the controller 260 on the non-touch surface 232 through the through hole 230a. The controller 260 is configured to receive the touch signal sensed by the sensing electrode 231b.

In some embodiments, the controller 260 is configured to send a signal that controls each light-emitting element 240 in the light-emitting element group 241 to emit light or not to emit light, so that the light guide pattern displays numbers and/or English letters.

In some embodiments, the controller 260 is further configured to sense a touch input via the sensing electrode 231b, and is configured to change the light guide pattern in response to the touch input moving from a first position to a second position on the touch area 231a. The numbers presented. For example, the first position and the second position are the lower left corner and the upper left corner of the touch area 231a respectively. When the touch input moves from the first position to the second position, the controller 260 sends a signal that causes the numbers presented in the light guide pattern to change sequentially from 1 to 9; when the touch input moves from the second position to the second position, When in a position, the controller 260 sends a signal that causes the numbers displayed in the light guide pattern to be changed from 9 to 1 in sequence.

In some embodiments, the controller 260 is further configured to sense a touch input via the sensing electrode 231b, and is configured to change the light guide pattern in response to the touch input moving from a first position to a second position on the touch area 231a. The English letters presented. For example, the first position and the second position are the lower left corner and the lower right corner of the touch area 231a respectively. When the touch input moves from the first position to the second position, the controller 260 sends a signal that causes the English letters displayed in the light guide pattern to change sequentially from A to Z; when the touch input moves from the second position to In the first position, the controller 260 sends a signal that causes the numbers presented in the light guide pattern to be sequentially changed from Z to A.

In some embodiments, the controller 260 is further configured to sense a touch input via the sensing electrode 231b, and is configured to change at least one luminescence in response to the touch input moving from a first position to a second position on the touch area 231a. The brightness of the light emitted by element 240. For example, the first position and the second position are the upper left corner and the upper right corner of the touch area 231a respectively. When the touch input moves from the first position to the second position, the controller 260 sends a signal that gradually increases the brightness of each light-emitting element 240 in the light-emitting element group 241; when the touch input moves from the second position to In the first position, the controller 260 sends a signal that gradually reduces the brightness of each light-emitting element 240 in the light-emitting element group 241 .

In some embodiments, as shown in Figures 2, 8 and 9, the light guide units 221 in each dotted frame form a light guide unit group 221a, and each light guide unit group 221a can present a complete light guide unit. Light graphics (i.e. numbers or English letters). When the sensing electrode 231b adjacent to any light guide unit 221 in the light guide unit group 221a senses a touch signal, the controller 260 regards the touch signal as a click on the light guide unit group 221a. signal. The controller 260 is further configured to generate the aforementioned signal in response to subsequent touch input after first receiving the click signal. Thereby, the user can individually change the light guide patterns of different light guide unit groups 221a.

In some embodiments, when the controller 260 continuously receives a plurality of click signals for the light guide unit group 221a within a predetermined time period, the controller 260 can sequentially switch the control to generate the signals in response to the touch input. type. For example, when the controller 260 receives only one-point selection signal for the light guide unit group 221a within the aforementioned predetermined time period, it can generate a signal that causes the light guide pattern to display numbers in response to subsequent touch input; When the controller 260 continuously receives two click signals for the aforementioned light guide unit group 221a within the aforementioned predetermined time period, it can generate a signal that causes the light guide pattern to display English letters in response to the subsequent touch input; when controlling When the detector 260 continuously receives three click signals for the light guide unit group 221a within the aforementioned predetermined time period, it can respond to the subsequent touch input and change the brightness of each light-emitting element 240 in the light-emitting element group 241. signal.

In some implementations, the aforementioned predetermined time period is 1 second, but the present disclosure is not limited thereto.

From the above detailed description of the specific embodiments of the present disclosure, it can be clearly seen that in the light-emitting touch panel of the present disclosure, one side of each light guide unit of the light guide plate is provided with a corresponding through hole, and each side of the light guide unit is provided with a corresponding through hole. A corresponding light-emitting element is provided in a through hole. Therefore, the light emitted by each light-emitting element can enter the light guide plate through the inner wall of the corresponding through hole, and then be guided upward through the substrate through the corresponding light guide unit and emitted. Under this configuration, by individually controlling each light-emitting element to emit or not emit light, the light guide pattern composed of the light guide unit can display a variable pattern (for example, different numbers or English letters). In addition, the light-emitting touch panel of the present disclosure can also sense the user's touch input using sensing electrodes disposed on the circuit board, and change the pattern or brightness of the light guide pattern according to the movement path of the touch input.

Although the disclosure has been disclosed in the above embodiments, it is not intended to limit the disclosure. Anyone skilled in the art can make various changes and modifications without departing from the spirit and scope of the disclosure. Therefore, the protection of the disclosure is The scope shall be determined by the appended patent application scope.

100: Electronic devices

110:Host

120:Display

200,300: Illuminated touchpad

210:Substrate

220,320:Light guide plate

220a:Through hole

221,321:Light guide unit

221a: Light guide unit group

222:Light blocking structure

230:Circuit board

230a:Through hole

231:Touch surface

231a:Touch area

231b: Sensing electrode

232: Non-touch surface

240:Light-emitting component

241:Light-emitting element group

250:Light shielding layer

251: Translucent area

252: Non-transparent area

260:Controller

270: Reflective sheet

320a: Accommodation tank

322: retaining wall

3-3: Line segment

In order to make the above and other objects, features, advantages and embodiments of the present disclosure more obvious and understandable, the accompanying drawings are described as follows: Figure 1 is a perspective view of an electronic device according to an embodiment of the present disclosure. FIG. 2 is a partial top view of some components of a light-emitting touch panel according to an embodiment of the present disclosure. Figure 3 is a partial cross-sectional view of the light-emitting touch panel in Figure 1 along line segment 3-3 in Figure 2. FIG. 4 is a partial cross-sectional view of a light-emitting touch panel according to another embodiment of the present disclosure. FIG. 5 is a partial cross-sectional view of a light-emitting touch panel according to another embodiment of the present disclosure. FIG. 6 is a partial cross-sectional view of a light-emitting touch panel according to another embodiment of the present disclosure. FIG. 7 is a partial cross-sectional view of a light-emitting touch panel according to another embodiment of the present disclosure. FIG. 8 is a schematic diagram illustrating a light-emitting element group and a light guide pattern according to another embodiment of the present disclosure. FIG. 9 is a schematic diagram illustrating a light-emitting element group and a light guide pattern according to another embodiment of the present disclosure. FIG. 10 is a partial top view showing some components of the light-emitting touch panel in FIG. 2 .

Domestic storage information (please note in order of storage institution, date and number) without Overseas storage information (please note in order of storage country, institution, date, and number) without

220:Light guide plate

220a:Through hole

221:Light guide unit

221a: Light guide unit group

222:Light blocking structure

240:Light-emitting component

241:Light-emitting element group

3-3: Line segment

Claims (18)

A luminous touch panel includes: a substrate; a light guide plate, which is arranged under the substrate and includes a plurality of light guide units and a plurality of through holes. Each of the light guide units is composed of a plurality of light guide microstructures and is generally In the shape of strips or lines, the through holes are respectively provided on one side of the light guide units, and any two adjacent light guide units are separated from each other; a circuit board is provided under the light guide plate, The circuit board has a touch surface and a non-touch surface, the touch surface has a touch area, and a plurality of sensing electrodes are provided on the touch area; and a plurality of light-emitting elements are arranged on the circuit board, and are respectively accommodated in the through holes; after the light emitted by the light emitting elements enters the light guide plate through the inner walls of the through holes, it is guided upward through the substrate through the light guide units and emitted. The light-emitting touch panel of claim 1, wherein each light-emitting element is disposed between the sensing electrodes, and there is a distance between each light-emitting element and each sensing electrode. The light-emitting touch panel according to claim 1, further comprising an opaque light-shielding layer, the light-shielding layer being disposed between the substrate and the light guide plate, the light-shielding layer having a plurality of light-transmitting areas, the light-transmitting areas Distinguish Correspond to these light guide unit settings. The light-emitting touch panel of claim 3, wherein the light-shielding layer has at least one non-light-transmitting area, and the at least one non-light-transmitting area is provided corresponding to the light-emitting elements. The light-emitting touch panel of claim 1, wherein there is an opaque blocking wall between any two adjacent light-emitting elements. The light-emitting touch panel of claim 5, wherein the light guide plate further includes an accommodating groove, and the blocking wall is accommodated in the accommodating groove. The light-emitting touch panel of claim 1, wherein a light-blocking structure is further provided in the light guide plate between any two adjacent ones of the through holes. The light-emitting touch panel of claim 7, wherein the light-blocking structure is a laser-engraved structure. The light-emitting touch panel as described in claim 1, wherein the light guide units form an outer frame that substantially presents a light guide pattern with a rectangle at the top and a U-shape at the bottom, and the light guide patterns included in the light guide pattern The number of light units is at least seven. The light-emitting touch panel of claim 9, wherein at least seven of the light-emitting elements form a light-emitting element group, and the light-emitting elements in the light-emitting element group respectively correspond to the light guide units in the light guide pattern. The light-emitting touch panel of claim 10, wherein the circuit board includes a controller configured to send a signal to control each light-emitting element in the light-emitting element group to emit light or not to emit light, so that the conductor The light pattern represents a number, which is one from 0 to 9. The light-emitting touch panel of claim 11, wherein the controller is further configured to sense a touch input via the sensing electrodes, and is configured to respond to the touch input by a first touch panel on the touch area. The position is moved to a second position to change the number presented by the light guide pattern. The light-emitting touch panel of claim 10, wherein the circuit board includes a controller configured to send a signal to control each light-emitting element in the light-emitting element group to emit light or not to emit light, so that the conductor The light pattern presents an English letter, which is one of A to Z. The light-emitting touch panel of claim 13, wherein the controller is further configured to sense a touch input via the sensing electrodes, And configured to change the English letters presented by the light guide pattern in response to the touch input moving from a first position to a second position on the touch area. The light-emitting touch panel as claimed in claim 1, wherein the sensing electrode matrices are distributed in the touch area, so that the sensing electrodes correspond to independent coordinates. The luminescent touch panel of claim 1, wherein the sensing electrodes and the luminescent elements are disposed in the touch area. The luminescent touch panel of claim 1, wherein the circuit board has a plurality of through holes, and the sensing electrodes are electrically connected to a controller on the non-touch surface through the through holes. The light-emitting touch panel of claim 17, wherein the controller is further configured to sense a touch input via the sensing electrodes, and is configured to respond to the touch input by a first touch panel on the touch area. The position is moved to a second position to change the brightness of the light emitted by at least one of the light-emitting elements.

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