Touch panel having a speaker function
First Claim
Patent Images
1. A touch panel comprising:
- a first supporting substrate;
a second supporting substrate that faces the first supporting substrate;
a first transparent electrode formed on the first supporting substrate;
a second transparent electrode formed on the second supporting substrate;
a third transparent electrode formed between the first and second transparent electrodes;
a medium layer formed between the first and third transparent electrodes; and
a piezoelectric layer formed between the second and third transparent electrodes.
2 Assignments
0 Petitions
Accused Products
Abstract
A touch panel includes a first supporting substrate, a second supporting substrate that faces the first supporting substrate, a first transparent electrode formed on the first supporting substrate, a second transparent electrode formed on the second supporting substrate, a third transparent electrode formed between the first and second transparent electrodes, a medium layer formed between the first and third transparent electrodes, and a piezoelectric layer formed between the second and third transparent electrodes.
-
Citations
24 Claims
-
1. A touch panel comprising:
-
a first supporting substrate;
a second supporting substrate that faces the first supporting substrate;
a first transparent electrode formed on the first supporting substrate;
a second transparent electrode formed on the second supporting substrate;
a third transparent electrode formed between the first and second transparent electrodes;
a medium layer formed between the first and third transparent electrodes; and
a piezoelectric layer formed between the second and third transparent electrodes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. A touch panel comprising:
-
a speaker section comprising;
a first supporting substrate;
a second supporting substrate that faces the first supporting substrate;
a first transparent electrode formed adjacent to a first medium layer and opposite to the first supporting substrate;
a second transparent electrode formed adjacent to the second supporting substrate; and
a piezoelectric layer formed between the first and second transparent electrodes; and
a touch panel section comprising;
the second supporting substrate;
a third supporting substrate formed opposite to the second supporting substrate;
a third transparent electrode formed adjacent to the second supporting substrate and opposite to the second transparent electrode;
a fourth transparent electrode formed adjacent to the third transparent electrode; and
a second medium layer formed between the third and the fourth transparent electrodes. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
-
-
20. A liquid crystal display apparatus, comprising:
-
a display panel;
a driving circuit member applying an image signal to the display panel; and
a touch panel, comprising;
a first supporting substrate;
a second supporting substrate that faces the first supporting substrate;
a first transparent electrode formed on the first supporting substrate;
a second transparent electrode formed on the second supporting substrate;
a third transparent electrode formed between the first and second transparent electrodes;
a medium layer formed between the first and third transparent electrodes; and
a piezoelectric layer formed between the second and third transparent electrodes. - View Dependent Claims (21, 22, 23)
-
-
24. A touch panel comprising:
-
a circuit board having a signal terminal of a speaker section; and
a signal terminal of a touch panel section.
-
Specification