광학식 터치스크린의 펜 종류 및 방향 인식 장치

Hereinafter with reference to the attached drawing of the present invention preferred embodiment a detailed as follows. In the embodiment described in the following has various other shape can be, in the embodiment of the present invention under the limited to the above-mentioned range and not the. The present invention is in the field of the present invention in the embodiment to describe which ball number per person with skill in the art entire surface are disclosed.

Optical touch screen panel that has been touched the location of an object in order to touch screen latch is located on the left and right, light emitting section and a light touch object (such as hand or pen) converges when blocked course lowering of the intensity received at the upper structure using are disclosed. On the other hand, applied to the present invention refers to optical touch screen touch pen are disclosed. Touch screen presented on a touch pen according to one aspect the kind of wide variety disclosed. For example, blue/red/black color output signal, such as in the form of thickness and shape, such as poured/brush/pencil eraser/characteristics, color, form, a wide variety of touch pen according present. The present invention refers to this touch pen in the recordable (Orientation) can identify the direction of the touch pen while to the method are disclosed.

The present invention refers to an optical filter is attached different wavelength light of a touch screen pen (hereinafter, touch pen) by detecting, by a simple structure type of disturbance light does not cause malfunction when a number and direction recognition device decodes touch pen. The touch pen of the present invention can be applied to various kinds of optical touch screen. A typical optical touch screen was presenting several cases also 3.

3 (a) is also a light-emitting unit (20) and the light receiving portion (22) of the touch screen when the cover is disposed along an axis y x shaft and form a face are disclosed. Wherein the light emitting unit (20) has a set of light-emitting device (25) made of array, the light-receiving portion (22) has a set of light receiving element (26) array wherein a, light-emitting device (25) is principally infrared LED or laser diode, light receiving element (26) is mainly the phototransistor and photodiodes are used. (B) a light-emitting unit along a plane of touch screen 3 is also 3 (30) remaining 1 surface is arranged on the light-receiving portion (32) when the cover is disposed is are disclosed. Wherein the light emitting unit (30) has a set of light-emitting device (35) and made up of an array, the light-receiving portion (32) light receiving element (36) is equal to the light-receiving portion 1-surface spaced distribution. 3 (c) is also a light-emitting unit (40) when a light-emitting device array instead of surface emitting means are disclosed. Various method the surface emitting the second speech content dispensed the on-sensors other. 3 (c) also in the case of the light-receiving portion (42) light receiving elements (46) are used primarily include infrared camera. (D) a light-emitting device 3 is also of touch screen 4 surface (50) and the light receiving element (52) is mixed when the cover is disposed. In addition although not shown 4 surfaces of light emitting device and a light receiving element formed by alternating touch screen can be located. The optical touch screen is a light-emitting unit, disposed and used light emitting device and a light receiving diversifies the curvature of the form present. In addition, the touch screen can be heat is rectangular, for example at least part of the curved shape may have disclosed.

For touch screens of the present invention is in the form of pen types and direction recognition device such optical touch screen can be applied to all kinds of optical touch screen regardless or shape. And to receive the descriptions herein, the most general form such as (a) the light emitting unit 2 divides the rectangular touch screen also 3 [...] (20) and that emits (22) is disposed about s7. example detailed description.

(A) about 3 also are symmetrically 4 of the SFC, Figure 4 optical touch screen or other briefly the system are disclosed. The light emitting unit (20) and the light receiving unit (22) are each number control unit (60) connected to, a series of light-emitting elements one at a time control section number order (25) sequentially to each other. One light emitting element (25) in series process of driving control section number light receiving portion (22) disposed light receiving element (26) to provide an output value is read other. At least one luminous element arranged opposite one driven screen a light receiving elements output is read only may be (1:1 matching), a light emitting element of an n-type region reaching the light receiving elements output is read CCP disapproval (1: multi-matching). Signal is received multi-touch for implementation 1: uses multi-matching method are used.

(A) 3 (a) is also 5 of new touch screen construction drawing indicating also are disclosed. 5 (a) also in the light emitting unit (20) to which 1 - 160 includes a nitride semiconductor light emitting element, a light-receiving part (22) is 1 '-160' into to consists of a light receiving element. In addition touch screen object (70) contact in the nanometer range. The number sequentially from the light-emitting element 1 for facilitating descriptions fisherman located opposite the front surface of one light receiving element assuming that only it read and it admitted (1:1 matching), 5 (b) curvature such as output value is also taken into a number fisherman S409 module and a light. I.e. touch object section without having received by a polyvinyl alcohol fiber, touch object is received by a light receiving element having very low optical path between hidden applied to at least one light-emitting device to be coated. According to a light distribution pattern to be less than 1000 calling, it to produce light.

(A) description of a touch pen 6 also prior to further advance and viscoelasticity. Of the present invention touch pen (65) on the light paths of the optical touch screen, i.e. touch pen lower end of optical filter (67) a semiconductor device is provided. The touch pen according suitable colors or function representation label (66) attached to disapproval. Here optical filter (67) is able to pass a particular wavelength infrared specifies only the transmittance characteristics can be, infra-red radiation of all wavelengths transmitted from specific transmittance of initial wherein, of all wavelengths may be filled with an IR blocking characteristics. Under the above-mentioned optical filter of any kind by eliminating the description will. 6 (b) also includes a transparent plastic or glass optical filter is coated with a soft baking the conductive hollow structure (68) treated if shown example are disclosed. The coating (68) passing through a specific only to certain wavelengths of infrared transmittance process from. Mentioned said infra-red radiation of all wavelengths specific transmittance in order for passing such coating (68) processing in addition (c) in the form of a mesh or dots on a transparent plastic or glass also 6 such as patterning (69) processing and patterned portion reaches scatter infrared, the intensity of the patterning density writing can be formed by etching. Mentioned all wavelengths of said optical filter with an IR blocking any opaque object can be used to easily embodied. How these properties processing apparatus of the present invention largely implementing multi-function not numerous modifications within a range that the number door pivotably.

The type and direction recognition device of the present invention are selected from optical touch screen for hand type n (n is an integer of 1 or more) for generating lights of different wavelengths of light-emitting device is a light-emitting part which are mixed,

Identifiable=n + 1 kind of touch pen

The thereto. The, general optical touch screen bars one wavelength of light a plat-(n=1), the kind of touch pen identifiable 2 carbon atoms disclosed. Where n=1 through 7 also identify whether the type of pen how residual, 7 (a) (c) (b) 6 6 I also is also transmitted from the infra-red radiation of all wavelengths as specific transmittance optical filter with the same touch position when (a) auditory canal 5 touch pen, exhibits the light-receiving portion photo diode IC in S409. In this case touch location defined by this invention in light emitting unit with a second optical filter is equal to a constant value (TF) falling of the hereinafter. (A) optical substrate and also 6 as well as infra-red radiation of particular wavelength of a filter, a wavelength band from the light emitting device to include optical-band of the filter by the same results can be achieved. (B) 7 also detects a variation of the same auditory canal 5 (a) of rod-shaped opaque touch pen touch position when S409 light exhibits. In this case touch location in a light emitting element and light receiving [...] optical path completely closes, is equal to greater than the curvature of light amount is TF falls below. When using such light control section number of 2 n=1 pattern difference can be hereinafter for identifying the type of the touch pen.

When n=1 then in the direction of the touch pen and increase the capacity of determining how enhancer is disclosed therein. (B) to identify the type of order 6 also touch pen as well as direction, (c) changing the optical filter to example 6 also accomplishing. (B) also 6, 6 (c) also in all directions the same characteristic of the optical filter of the coating or patterning processing but, in order to touch pen according to the direction of the other direction identification should the processing filter. As well as to the kind of touch pen touch pen of one example of the optical filter unit for identifying a direction 8 also visible to the other. (A) 8 is also shuts off the light of all wavelengths characteristic optical filter (82), i.e. opaque characteristics and all an optical filter of a passing light of a wavelength determined in optical filter (81), i.e. translucent characteristics depending on the direction an optical filter is located other wefts. Incident light from any direction by selectively partial through light emitting device touch pen (83) and blocking light (84) 61. (B) different types of optical filter unit 8 is for example also are disclosed. 4 optical scanning device 1 during the if filter the opaque properties, property that an operational state of the other 3 are disclosed. In this case even pen according to the direction of light passing portion (83) and blocking light (84) divided into an. (C) 8 is also opaque object (88) of some aspects (89) by cutting a number and a stand-alone, in place translucent characteristic of an optical filter of the form of a film (87) when one example of bonding are disclosed. In this case even pen according to the direction of light passing portion (83) and blocking light (84) divided into an.

Figure 9 shows a touch pen 8 (b) also in optical filter unit 8 also also to example 5 is an optical filter of the same cases where revealing the touch position output pattern are disclosed. (A) 9 is also opaque portion (86) is touch screen when light emitting to the system exhibits y axis of Figure 5. X axis is driven light-emitting parts of Figure 9 in section A pattern to be replayed, section B y axis light-emitting parts is driven section by a goniophotometer. (A) section of the touch pen light from light emitting unit 9 also A x axis of translucent portion (85) and control current to achieve relatively high light receiving amount (TF), touch pen light from light emitting unit in section B y axis opaque part (86) received by a control current to optical methods to obtain very low to be coated. 9 (b) is also opaque portion (86) is x axis when light emitting to the system exhibits. (B) light from light emitting unit section of the x axis also 9 A touch pen opaque portion (86) and received by a very low control current obtained, touch pen light from light emitting unit in section B y axis of translucent portion (85) control current is equal to obtain relatively high light receiving amount (TF). (C) 9 is also opaque portion of the light emitting unit to partially shield the y axis when x axis exhibits. The fig. 9 (c) on section B A section of low light mixed light receiving amount is equal to average luminance high.

Consequently when n=1, i.e. light-emitting parts composed of single wavelength emission when, whole number 1 identifies two types of pen can be opaque material when the blocks as the pen pen, 7 (b) also light which the S409, number 2 (b) or 6 (c) translucent characteristics as example 6 also the pen also the light pattern (a) writing the optical filter 7 also exhibit other. Number identified in the two light receiving pattern hereinafter for recognition of the type of pen is equal to or higher water level. If the direction of the pen to identification is needed, as number 2 of Figure 8 example number 2 of Figure 9 (a) light pen writing pen from pattern force, (b), (c) has a one form and one of, the forms are in the form of 7 (b) also can be identified differently direction identification number 2 is narrower than the type of pen.

(C) a light-emitting unit as auditory canal 3 of touch screen (40) surface light emitting means is a light receiving element (46) is infrared camera even when said logic described can be applied as is. (A) a light-emitting unit 10 is also in the form of a lamp (40) consisting of two infrared camera light receiving element (46) consisting of a touch on the touch screen object (70) when contact are disclosed. (B) according to the pixel position of the light receiving regions and also infrared camera 10, example 10 (C) also to him. Opaque touch object (70) also when contact 10 (b), (c) translucent touch object also be the case that the left eye sees light pattern 10 contact with each other. The direction of the principle above matter also touch object can be identified by easily can infer details described is dispensed to each other.

Until now when n=1 in 2 kinds of touch object relative to identification and direction discrimination can be connected to go up. When n=1 as well as the transmittance of the optical filter even finely adjusted by writing their translucent touch kind of the object to increase the number to be increased but in as a result identifiable type of touch pen, to produce the present chamber number variable disturbance light-receiving situation since accuracy of identification number as much as variation can occur in one aspect door flow tides.

When n=2 to 3 intervening withdrawals now on through a principle of identifying touch to the safety pin by briefing. When n>2 by n + 1 species are described with respect to the touch object identifying it is possible to easily may be converted are disclosed. Figure 11 two kinds of different emission wavelength of light emitting element having a light-emitting unit (20) on both said two kinds of emission wavelength comprising collimating sanitary napkin having a predetermined light-signal light-receiving portion (22) consisting of a touch on the touch screen object (70) when contact are disclosed. Curvature of excitation light covering a very wide band infrared Dyson set with each other. Collimating light in the photodiode substitute actor employed primarily conventional photo transistor and a combination packaging material can be adjusted for process hereinafter. Descriptions as number 1 and number 2 in Figure 11 for facilitating two kinds of emission wavelength by wavelength wavelength light-emitting element of odd number 1 number 2 wavelength emitting light-emitting element of wavelength even assuming that the other. (A) an optical filter of a touch pen also 6 (67) 6 (b) is attached to a coating (68) processing of a specific transmittance to be passed into a module and a polarized infrared only. The other two types of touch pen respectively to fix the each optical filter optical filter number 1 optical filter, the optical filter number 2 in real time is provided, each optical filter (67) is also shown in the characteristics is equal to 13. In Figure 13 number 1 optical filter (130) is number 1 (λ 1) wavelength band and passing it through a transmittance of infra-red radiation of TR, optical filter number 2 (131) is number 2 (λ 2) wavelength band passing transmittance of infra-red radiation of TR having tertiary disclosed. (A) an optical filter number 1 number 1 of Figure 11 is also 12 mounted touch pen touching the touch location when output of light receiving section presenting a pattern. Number 1 touch pen output pattern is subjected to relatively high value (TF) odd number 1 wavelength light emitting element generating a capacitive storage device shown to exhibit, exhibit very low value for the wavelength number 2 generating even capacitive storage device light emitting device to be coated. (B) an optical filter mounted touch pen number 2 number 2 12 also includes a location of a touch touch when output of light receiving section presenting a pattern of Figure 11. Number 2 touch pen output pattern is subjected to relatively high value (TF) number 2 wavelength light emitting element generating even capacitive storage device shown to exhibit, exhibit very low value for the odd number 1 wavelength light emitting element generating a capacitive storage device to be coated. (C) 12 also is supplied to all wavelengths of light blocking opaque filter equipped with touch pen touching the touch location when output of light receiving section presenting a pattern number 3 of Figure 11. The light-receiving portion output pattern exhibit very low regardless of the light emitting element substrate. As said above when n=2, 3 touch pen output pattern is the number the fisherman said output pattern from the character of the reflective layer hereinafter hereinafter for the type of pen can be identified. I.e., number control unit includes the light emitting device to the light-receiving portion while usage of the output value is read, the current emitting device driving said output pattern number prior knowledge fisherman because highly wavelength compared to the properties of the pen type discrimination process from simple.

N=2 in when, kind of pen in order to identifying the traveling direction between the example optical filter 8 also shape of the spirit. Here all passing light of a wavelength specific transmittance translucent characteristics instead of an optical filter of a specific transmittance optical filter passing light of specified wavelength characteristic, i.e. optical filter of Figure 13 number 1 (130) number 2 on optical filter (131) are attached to each pen to example 8 also form. The detailed description for, 8 (b) also of an optical filter of a translucent portion (85) number 1 to optical filter (130) with a touch pen touch pen number 1, 8 (b) also of an optical filter of a translucent portion (85) number 2 to optical filter (131) number 2 touch pen touch pen with a unit length, the touch pen touch location of a touch on a touch screen of Figure 11 if the, each touch pen 14 according to the direction of output pattern is also such as disclosed. X axis light-emitting parts A section in Figure 14 is driven section, section B y axis light-emitting parts is driven section by a goniophotometer. (A) 14 also includes a touch pen opaque portion (86) of the light emitting unit is a light-blocking y axis when, number 1 and number 2 by the light receiving touch pen touch pen exhibits S409. Number 1 and number 2 A section in different light touch pen touch pen between S409 visible substrate. (B) 14 also includes a touch pen opaque portion (86) of the light emitting unit is a light-blocking x axis when, number 1 and number 2 by the light receiving touch pen touch pen exhibits S409. Number 1 and number 2 B section in different light touch pen touch pen between S409 visible substrate. (C) 14 also includes a touch pen opaque portion (86) by blocking some of the light emitting unit is x axis y axis when light, number 1 and number 2 by the light receiving touch pen touch pen exhibits S409. Number 1 and number 2 in different B A section on section between a light touch pen touch pen S409 visible substrate.

Or more of the present invention touch pen and touch screen construction such as described by, each touch pen touch pen along different directions and kind of light can be formed between the water level in such light patternpattern number hereinafter for interpretation and direction equal to recognize the type of pen.

Said n different emission wavelength of light emitting element having a light-emitting light emitting elements disposed mixed in various forms of male contact pins disclosed. To implement the intact optical touch screen are multi-touch function 1: multiple mappings have diameters less than 2000. 15 also includes a 1:1 mapping (a), 15 (b) is also 1: show other examples of multiple mappings. In small size of objects in a 1:1 mapping touch when, as also shown in light emitting elements 16 (a) is mixed with a light emitting element having a touch object to kinds of emission wavelength only when the cover is disposed to detect a situation can be the result disclosed. In such situation described above when said n>=2 in touch object identifying non-transmitted, in order to prevent this different wavelength emission (b) 16 also elements such as alternating it makes, each other. 1: in the case of mixed even if multiple mappings to the light emitting elements may be configured to detect the object disposed process from the touch light-emitting elements all wavelengths. (C) mixing 1 to 16 also includes a light-emitting device when the cover is disposed: touch ground voltage through multiple mapping shown for example are disclosed.

For touch screens of the present invention optical recognition device includes a pen type and direction, light-emitting element is made different wavelengths different light wavelength properties depending on the type of the optical filter is attached and a pen touch pen, touch pen add existing optical touch screen or additional battery or circuit of the horizontal synchronous device without requiring the provision of self-disclosed.

For touch screens of the present invention optical recognition device includes a pen type and direction, so that a particular color or function for automatically recognizing the type of pen and impart pen, pen for automatically recognizing the direction of thickness or other depending on the direction of how expression of pen, according to the direction of eraser color such as the drive current of the region can be user a facsimile mode.

Or more, for example detailed but the present invention refers to preferred embodiment, the present invention refers to said in the embodiment is not limited to, within the range of technical idea of the present invention pivotably in was found by person with skill in the art numerous modifications.