KR20140022584A - Smart infra-red input device - Google Patents

Smart infra-red input device Download PDF

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Publication number
KR20140022584A
KR20140022584A KR1020120088818A KR20120088818A KR20140022584A KR 20140022584 A KR20140022584 A KR 20140022584A KR 1020120088818 A KR1020120088818 A KR 1020120088818A KR 20120088818 A KR20120088818 A KR 20120088818A KR 20140022584 A KR20140022584 A KR 20140022584A
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KR
South Korea
Prior art keywords
touch
sensor module
input device
smart
pcb
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KR1020120088818A
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Korean (ko)
Inventor
서재홍
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서재홍
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Priority to KR1020120088818A priority Critical patent/KR20140022584A/en
Publication of KR20140022584A publication Critical patent/KR20140022584A/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/0233—Handheld
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)

Abstract

An embodiment of the present invention relates to a smart IR input device, and a technological subject to be solved is to make a smart IR input device super-slim by unifying an IR sensor module for receiving IR signals from an external remote controller with a touch sensor module for determining signals sensed from a touch pattern on the front panel of a household electric appliance. For this, the smart IR input device according to an embodiment of the present invention comprises: the IR sensor module for receiving IR optical signals from the external remote controller; and the touch sensor module having a touch pattern of a specified shape to receive a touch input signal generated by a user, wherein the touch pattern is formed to surround the outer surface of the IR sensor module and includes a plurality of circular sensor lines and a plurality of column sensor lines intersecting the circular sensor lines.

Description

Smart IR Input Device {SMART INFRA-RED INPUT DEVICE}

One embodiment of the present invention relates to a smart IR input device.

In general, home appliances such as TVs, monitors, and audio devices are provided with input devices for operating functions of the home appliances. In home appliances, a remote controller is usually provided to drive various functions of the home appliances at a distance away from the home appliance. Recently, an integrated remote controller is provided to control various home appliances with a single remote controller. To this end, the front panel of the home appliance is usually provided with an input device including a remote control receiver for receiving an infrared signal of the remote control, converting the signal into an electrical signal and transmitting it to the main CPU of the home appliance.

In addition, in general, the front panel of the home appliance is usually provided with an input device including a touch panel paneled with a plurality of touch sensors or touch sensors so that a user can easily drive or simply adjust various functions of the home appliance. A touch sensor IC for transferring a touch sensing signal applied from the touch sensor or the touch panel to the main CPU is provided.

As such, a remote control receiver, a touch sensor, or a touch sensor IC, which is usually provided on the front panel of a home appliance, requires various functions required for inputting or outputting respective input / output signals or an installation space for the same.

However, in recent years, since conventional household appliances tend to be slimmer, there is a problem that conventional input devices are not suitable for use in household appliances which have recently been slimmed.

One embodiment of the present invention is configured by integrating the IR sensor module for receiving the IR signal from the external remote controller and the touch sensor module for determining the signal detected in the touch pattern on the front panel of the home appliance, ultra-slim smart IR Provide an input device.

 Smart IR input device according to an embodiment of the present invention, the IR sensor module for receiving an IR optical signal output from an external remote controller; And a touch sensor module having a touch pattern having a predetermined shape so as to receive a touch input signal by a user, wherein the touch pattern is formed to surround an outer surface of the IR sensor module and includes a plurality of circular shapes. It may be composed of a plurality of thermal sensor lines partitioning a sensor line and the plurality of circular sensor lines.

The IR sensor module may include an IR lens for receiving an IR optical signal emitted from an external remote controller; And an IR support body molded to have a lens hole on which the IR lens is mounted to support the IR lens.

The IR support body may be molded into a half dome shape.

The IR support body may be molded in a vertical cross-sectional shape with a trapezoidal shape.

The IR support body may be molded to have a vertical cross-sectional shape of a rectangular shape and an upper edge portion to have a round shape.

The IR support body and the touch pattern may be adhered to each other with a double-sided tape.

The touch sensor module may further include a touch sensor IC formed on an upper or lower surface of the PCB, and the touch sensor IC may be electrically connected through a flexible circuit board formed on an upper or lower surface of the PCB.

And a connector for transmitting an output signal from the IR sensor module and the touch sensor module to a main CPU mounted in a home appliance, wherein the IR sensor module is formed on the PCB and electrically connected to the connector through the PCB. The touch sensor module may be electrically connected to the connector through the flexible circuit board.

The outer diameter of the touch pattern may be formed of 6 to 12 pie.

According to an exemplary embodiment of the present invention, a smart IR input device includes an IR sensor module molded in a half dome shape and a touch pattern formed in a half dome shape corresponding to the IR sensor module to surround the IR sensor module. By forming the touch sensor module integrated into the front panel of the home appliance, it is possible to ultra-slim, and further applicable to a variety of models of home appliances.

1 is a perspective view showing a smart IR input device according to an embodiment of the present invention.
Figure 2 is a detailed side view showing a smart IR input device according to an embodiment of the present invention.
3 is a detailed top view illustrating a smart IR input device according to an embodiment of the present invention.
4A and 4B are side views illustrating another embodiment of a side shape of a touch pattern of the smart IR input device of FIGS. 1 to 3.
5A to 5C are top views of touch patterns illustrating examples of channels that may be implemented as touch patterns of the smart IR input device of FIGS. 1 to 3.

DETAILED DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, in which those skilled in the art can readily implement the present invention.

1 is a perspective view showing a smart IR input device according to an embodiment of the present invention, Figure 2 is a detailed side view showing a smart IR input device according to an embodiment of the present invention, Figure 3 is an embodiment of the present invention Detailed top view showing a smart IR input device according to the present invention.

1 to 3, a smart IR input device according to an embodiment of the present invention includes an IR sensor module 10, a touch sensor module 20, and a PCB module 30.

The IR sensor module 10 is a device for receiving an infrared light signal (Infra-Red optical signal) output from an external remote controller. The IR sensor module 10 is mounted on a front panel of a home appliance to receive an IR optical signal from an external remote controller.

The IR sensor module 10 may be molded to include an IR lens 110 for receiving an IR optical signal output from an external remote controller and a lens hole 121 on which the IR lens 110 is mounted. IR support body 120 supporting 110 may be provided. The IR lens 110 collects an IR optical signal and filters and passes infrared rays. The IR support body 120 may be molded in a half dome shape. The IR support body 120 is a shape preserving compound of the IR sensor module 10, and is molded in silicon or the like.

Height (H1) from the bottom of the IR support body 120 to the top of the IR lens 110 may be formed of about 2.8 to 2.9T, more preferably 2.85T (ie, 2.85 mm) Can be.

Although not shown, the bottom surface of the IR support body 120 and the touch pattern 210 to be described later may be adhered to each other by a double-sided tape.

The touch sensor module 20 includes a touch pattern 210 having a predetermined shape so as to receive a touch input signal (ie, a user's finger touch input signal) by the user. Here, the touch pattern 210 is formed to surround the outer surface of the IR sensor module 10, a plurality of thermal sensor lines for partitioning a plurality of circular sensor lines 211 and a plurality of circular sensor lines 211 ( 212). The circular sensor line 211 and the thermal sensor line 212 are connected to a predetermined circuit portion (not shown) of the flexible circuit board 330 described later in order to measure the capacitance and calculate the position of the touched coordinates at regular intervals. The position of the calculated touch coordinates is input to the touch sensor IC 320 to be described later, and the touch sensor IC 320 connects an output signal corresponding to the corresponding position value (that is, a menu key signal) to be described later. Will be printed. In addition, the touch pattern 210 is to provide a touch surface for implementing an electrostatic touch, and may be formed of a conductive material such as gold, copper, copper, etc., but is not limited thereto, and has a predetermined elastic restoring force. It may also be formed.

The outer diameter D1 of the touch pattern 210 may be formed of 6 pi to 12 pi (Φ). The outer diameter D1 of the touch pattern 210 may be variously modified within the above range by the designer based on the touch sensitivity and various menu keys to be implemented. In addition, the inner diameter D2 of the touch pattern 210 may be formed of 2 pi to 3 pi. Here, the inner diameter of the touch pattern 210 is the same as the size of the IR lens hole 121, it may vary depending on the size of the IR lens (110).

The touch pattern 210 may be formed in a half dome shape so as to correspond to a half dome shape that is an outer shape of the IR support body 120. In the present invention, the shape of the touch pattern 210 is not limited to the half dome shape, and may be variously modified according to the outer shape of the IR sensor module 10, that is, the IR support body 120. Various embodiments of the shape of the touch pattern 210 will be described in more detail in the detailed description of FIGS. 4A and 4B. In addition, various embodiments of channels formed according to the shape of the touch pattern 210 will be described in detail in the detailed description of FIGS. 5A to 5C.

The PCB module 30 may include a PCB 310 and a flexible circuit board 330 to connect the IR sensor module 10 and the touch sensor module 20 to the connector 340.

In addition, the touch sensor module 20 may further include a touch sensor IC 320 formed on an upper surface or a lower surface of a printed circuit board (PCB 310). The touch sensor IC 320 is electrically connected to the touch pattern 210 through the flexible circuit board 330 formed on the upper or lower surface of the PCB 310. The touch sensor IC 320 may be a touch sensor microcomputer that receives a touch input signal sensed by the touch pattern 210 and outputs a corresponding output signal to a CPU (not shown) of a home appliance. In addition, the touch sensor IC 320 may be formed by soldering to the bottom surface of the PCB 310 or the top surface of the flexible circuit board 330 according to the type and structure of the input device. Here, the CPU is a device in which control software for actually controlling the function of the home appliance according to signals applied from the IR sensor module 10 and the touch sensor module 20 is embedded.

The touch sensor IC 320 receives various key signals from the touch pattern 210 and outputs the signals processed through the signal processing module therein as output signals. The connector 340 is provided at one end of the PCB 310. Will output The connector 340 receives an output signal (that is, an output signal of the touch sensor IC 320) output from the IR sensor module 10 and the touch sensor module 20 as different inputs, respectively, to the CPU of the home appliance. It serves to convey. To this end, the connector 340 is electrically connected to the IR sensor module 10 formed on the PCB 310 and the PCB 310, and the touch sensor module 20 formed on the flexible circuit board 330 is flexible. It is electrically connected through the circuit board 330. In the present invention, the IR sensor module 10 and the touch sensor module 20 is integrally installed on the PCB 310 and the flexible circuit board 330 formed on the front panel of the home appliance, each output signal It can be transmitted to the home appliance CPU without interfering with each other.

Optionally, the PCB 310 may be replaced with a metal frame, and a PCB composed of a plurality of layers, such as a 4 layer PCB, may be formed on the metal frame. At this time, the electrical connection between the IR sensor module 10 and the touch sensor module may be prevented from interfering with each other through the PCB having the plurality of layers.

On the other hand, the thickness (W) of the PCB 310 and the flexible circuit board 330 is preferably formed between 0.8T to 1T. In this case, when the thickness (W) of the PCB 310 and the flexible circuit board 330 is 0.8T or less, the manufacturing process of the input device may be somewhat complicated, and when 1T or more, a manufacturing cost increases. Accordingly, in the present invention, the thickness W of the PCB 310 and the flexible circuit board 330 may be formed between 0.8T and 1T, thereby making it possible to slim down the input device.

The height H2 between the top of the IR support body 120 and the bottom surface of the PCB 310 may be formed to be approximately 2.15 to 2.25T, but more preferably, 2.1T.

Although not shown, a flat keypad rubber may be provided below the touch pattern 210 positioned below the IR support body 120, and the keypad rubber may be a user touch applied to the touch pattern 210. By contact with the dome-shaped switch formed on the PCB 310 may be to perform a function to turn on and off the power. In addition, a polarizing film may be formed on the PCB 310 to additionally perform a backlight function.

4A and 4B are side views illustrating another embodiment of a side shape of a touch pattern of the smart IR input device of FIGS. 1 to 3.

As shown in FIG. 4A, the side shape of the touch pattern 210 may be formed in a substantially trapezoidal shape. For the shape of the touch pattern 210, the IR support body 120 may be molded in a vertical trapezoidal shape so as to correspond to the shape of the touch pattern 210 surrounding the outer surface thereof. The touch pattern 210 may be composed of a plurality of circular sensor lines 211 and a plurality of thermal sensor lines 212 partitioning the plurality of circular sensor lines 211, as in the above-described embodiment.

As shown in FIG. 4B, the side shape of the touch pattern 210 may be formed in a substantially rectangular shape in which an upper edge portion thereof is round. For the shape of the touch pattern 210, the IR support body 120 has a rectangular shape in which the vertical cross-sectional shape is a round shape at the upper edge thereof so as to correspond to the shape of the touch pattern 210 surrounding the outer surface thereof. Can be molded into. The touch pattern 210 may be composed of a plurality of circular sensor lines 211 and a plurality of thermal sensor lines 212 partitioning the plurality of circular sensor lines 211, as in the above-described embodiment.

5A to 5C are top views of touch patterns illustrating examples of channels that may be implemented as touch patterns of the smart IR input device of FIGS. 1 to 3.

First, the touch patterns 210 are arranged to intersect the plurality of circular sensor lines 211 and the plurality of thermal sensor lines 212 to detect coordinates by a user's finger touch. In this case, the number of the circular sensor line 211 and the thermal sensor line 212 is designed to vary according to the target area and shape of the coordinate detection.

For example, the touch pattern 210a of FIG. 5A includes three circular sensor lines 211 in the circumferential direction and four column sensor lines 212 in the direction perpendicular to the circumferential direction. The pattern area | region used as eight coordinate detection objects is formed. Through this pattern region, for example, channel formation for volume and channel adjustment may be possible.

In addition, the touch pattern 210b of FIG. 5B includes four circular sensor lines 211 in the circumferential direction and four column sensor lines 212 in the direction perpendicular to the circumferential direction. A pattern region to be formed is formed. Unlike FIG. 5A, since the number of pattern areas is increased by 4, FIG. 5B shows not only channel formation for volume and channel adjustment, but also a channel such as a case in which an acceleration function is required when operating a menu key (i.e., menu or moving a picture). Formation may be possible.

In addition, the touch pattern 210c of FIG. 5C includes three circular sensor lines 211 in the circumferential direction and eight column sensor lines 212 in the direction perpendicular to the circumferential direction. A pattern region to be formed is formed. In FIG. 5C, since eight pattern areas are increased, navigation keys can be formed as in the case where detailed control such as a mouse is required (ie, Internet search or HTML Index Click).

That is, the touch pattern 210 of the present smart IR input device shown in Figs. 5A to 5C can be used as a simple menu key for eight channels in selecting the number of channels of the pattern, but a fine adjustment navigation key such as a mouse can have more than 16 channels. It can be seen that must be used.

According to the smart IR input device according to an embodiment of the present invention configured as described above, the IR sensor module 10 molded in a half dome shape, and the IR sensor module 10 to surround the IR sensor module 10. By integrating and forming the touch sensor module having the touch pattern 210 formed in the half dome shape corresponding to the front panel of the home appliance, it is possible to ultra slim and further applicable to various models of home appliances It becomes possible.

What has been described above is just one embodiment for implementing the smart IR input device according to the present invention, the present invention is not limited to the above embodiment, and the subject matter of the present invention as claimed in the following claims Without departing from the scope of the present invention, any person having ordinary skill in the art will have the technical spirit of the present invention to the extent that various modifications can be made.

10: IR sensor module 20: touch sensor module
30: PCB module 110: IR lens
120: IR support body 210: touch pattern
211: circular sensor line 212: thermal sensor line
310: PCB 320: touch sensor IC
330: flexible circuit board 340: connector

Claims (9)

An IR sensor module for receiving an IR optical signal output from an external remote controller; And
Smart IR input device having a touch sensor module having a touch pattern of a predetermined shape to receive a touch input signal by the user,
The touch pattern is formed to surround the outer surface of the IR sensor module, characterized in that composed of a plurality of circular sensor lines and a plurality of thermal sensor lines partitioning the plurality of circular sensor lines. The method of claim 1,
The IR sensor module
An IR lens for receiving an IR optical signal emitted from an external remote controller; And
And an IR support body molded to have a lens hole to which the IR lens is mounted, to support the IR lens. 3. The method of claim 2,
And the IR support body is molded in a half dome shape. 3. The method of claim 2,
The IR support body is a smart IR input device, characterized in that the vertical cross-sectional shape is molded in a trapezoidal shape. 3. The method of claim 2,
The IR support body is a smart IR input device, characterized in that the vertical cross-sectional shape of the rectangular shape, the upper corner portion is molded in a round shape. 3. The method of claim 2,
And the IR support body and the touch pattern are adhered to each other with double-sided tape. The method of claim 1,
The touch sensor module further includes a touch sensor IC formed on the upper or lower surface of the PCB,
The touch sensor IC is a smart IR input device, characterized in that electrically connected through a flexible circuit board formed on the upper or lower surface of the PCB. The method of claim 7, wherein
And a connector for transmitting an output signal from the IR sensor module and the touch sensor module to a CPU mounted in a home appliance.
The IR sensor module is formed on the PCB and electrically connected to the connector through the PCB,
And the touch sensor module is electrically connected to the connector through the flexible circuit board. The method of claim 1,
Smart IR input device, characterized in that the outer diameter of the touch pattern is formed of 6 to 12 pie.
KR1020120088818A 2012-08-14 2012-08-14 Smart infra-red input device KR20140022584A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10007384B2 (en) 2014-08-14 2018-06-26 Samsung Display Co., Ltd. Touch screen panel
US10564743B2 (en) 2015-03-30 2020-02-18 Samsung Display Co., Ltd. Touch sensor device having a circular touch sensing area
US10609826B2 (en) 2015-11-20 2020-03-31 Samsung Display Co., Ltd. Display apparatus having a full-thickness through hole

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10007384B2 (en) 2014-08-14 2018-06-26 Samsung Display Co., Ltd. Touch screen panel
US10564743B2 (en) 2015-03-30 2020-02-18 Samsung Display Co., Ltd. Touch sensor device having a circular touch sensing area
US10609826B2 (en) 2015-11-20 2020-03-31 Samsung Display Co., Ltd. Display apparatus having a full-thickness through hole

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