Light-transmitting electroconductive material
A light-transmitting conductive material, light-transmitting technology, applied to transparent dielectrics, conductive layers on insulating carriers, printed circuits, etc. Reduced performance and other issues, to achieve the effect of high reliability
Active Publication Date: 2017-08-29
MITSUBISHI PAPER MILLS LTD
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
However, because the ITO conductive film has a large refractive index and a large surface reflection of light, there is a problem that the light transmittance of the light-transmitting conductive material decreases.
At the same time, because the flexibility of the ITO conductive film is low, there is a problem that when the light-transmitting conductive material is bent, cracks occur on the ITO conductive film, and the resistance value of the light-transmitting conductive material increases.
In recent years, components of various resolutions have been used on liquid crystal displays, which further complicates the above problems
Method used
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Examples
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Embodiment
[0058] Hereinafter, although the Example related to this invention is demonstrated in detail, this invention is not limited to the following Example unless the summary is exceeded.
[0059] Light-transmitting conductive material 1
[0060] As the light-transmitting support, a polyethylene terephthalate film with a thickness of 100 μm was used. In addition, the total light transmittance of this light-transmitting support body was 91%.
[0061] Then, according to the following formula, a physical development core layer coating solution is prepared, coated on the above-mentioned light-transmitting support, and dried to form a physical development core layer.
[0062] Preparation of palladium sulfide sol
[0063]
[0064] Liquid A and liquid B were mixed with stirring, and after 30 minutes passed through a column filled with an ion exchange resin to obtain a palladium sulfide sol.
[0065] Preparation of physical development core layer coating solution: the amount of silver ...
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Abstract
Provided is a light-transmitting electroconductive material that is suitable as a light-transmitting electrode in a touch panel using an electrostatic capacitance method, does not generate moire patterns when overlaid on a liquid crystal display,is excellent in terms of pattern conspicuousness (non-conspicuousness), and is highly reliable. The light-transmitting electroconductive material, which has on a light-transmitting support body a light-transmitting electroconductive layer having light-transmitting sensor sections electrically connected to terminal parts and light-transmitting dummy sections not electrically connected to the terminal parts,is characterized in that the sensor sections and the dummy sections are configured from a fine metal wire pattern having a mesh-like shape, with the outline shape of the sensor sections extending in a first direction within the plane of the light-transmitting electroconductive layer, the dummy sections arranged so as to alternate with the sensor sections in a second direction that is perpendicular to the first direction, the sensor sections arranged with a period of L in the second direction, at least a portion of the fine metal wire pattern in the sensor sections having a period of 2L / N(where N is any natural number)in the second direction, and the fine metal wire pattern in the dummy sections having a period greater than 2L / N in the second direction, or not having periodicity.
Description
technical field [0001] The invention relates to a light-transmitting conductive material mainly used in a touch panel, in particular to a light-transmitting conductive material suitable for a light-transmitting electrode of a projected capacitive touch panel. Background technique [0002] In electronic devices such as personal digital assistants (PDAs), notebook computers, office automation equipment, medical equipment, or car navigation systems, touch panels are widely used as input means to their display screens. [0003] In the touch panel, there are optical type, ultrasonic type, surface type capacitive type, projected type capacitive type, resistive film type, etc. depending on the method of position detection. As for the resistive film type touch panel, as the light-transmitting electrode of the touch sensor, the light-transmitting conductive material and the glass with the light-transmitting conductive layer are arranged opposite to each other through the spacer, so t...
Claims
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IPC IPC(8): G06F3/041G06F3/044H01B5/14
CPCH05K1/0289H05K2201/09781G06F3/044G06F2203/04111G06F2203/04112H05K1/0274H05K2201/0108G06F3/0412H01B5/14H05K2201/0302H05K2201/09218G06F3/041
Inventor 吉城武宣砂田和彦
Owner MITSUBISHI PAPER MILLS LTD