# US 8,786,349 B2 · Semiconductor device, electronic device having the same, and driving method of the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,786,349 B2 - Document ID: US8786349B2 - Status: Granted - Kind: B2 - Application number: 13/559,662 - Filed: 2012-07-27 - Published: 2012-11-29 - Granted: 2014-07-22 - Earliest claimed: 2003-02-12 - Assignees: Semiconductor Energy Laboratory Co., Ltd. - Applicants: Hajime Kimura - Inventors: Hajime Kimura - Web page: https://patentgrep.com/patent/US8786349B2 ## CPC - H03K 19/01728: {in synchronous circuits, i.e. by using clock signals} - H03K 19/01855: {synchronous, i.e. using clock signals} - H03K: PULSE TECHNIQUE (measuring pulse characteristics G01R; modulating sinusoidal oscillations with pulses H03C; transmission of digital information H04L; discriminator circuits detecting phase difference between two signals by counting or integrating cycles of oscillation H03D3/04; automatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses where the type of generator is irrelevant or unspecified H03L; coding, decoding or code conversion, in general H03M) ## Abstract A digital circuit which can operate normally regardless of binary potentials of an input signal is provided. A semiconductor device comprising a correcting unit and one or a plurality of circuit elements, the correcting unit including a first capacitor, a second capacitor, a first switch, and a second switch, wherein the first electrode of the first capacitor is connected to an input terminal, the supply of a first potential to the second electrode of the first capacitor is controlled by the first switch, the supply of a second potential to the second electrode of the second capacitor is controlled by the second switch, and a potential of the second electrode of the first capacitor or a potential of the second electrode of the second capacitor is supplied to the one or the plurality of circuit elements. ## Claims ### Claim 1 A semiconductor device comprising: a first wiring; a first switch comprising a first terminal and a second terminal; the first terminal of the first switch being electrically connected to the first wiring; a second switch comprising a first terminal and a second terminal, the first terminal of the second switch being electrically connected to the second terminal of the first switch; a second wiring electrically connected to the second terminal of the second switch; a capacitor comprising a first electrode and a second electrode, the first electrode being electrically connected to the second terminal of the first switch; a third switch comprising a first terminal and a second terminal, the first terminal being electrically connected to the second electrode of the capacitor; a third wiring electrically connected to the second terminal of the third switch; a transistor comprising a gate, a first terminal, and a second terminal, the gate being electrically connected to the second electrode of the capacitor and to the first terminal of the third switch, and the first terminal being electrically connected to the third wiring; and a fourth wiring electrically connected to the second terminal of the transistor, wherein an input signal is input to the second terminal of the second switch, wherein the third wiring is configured to be set at a high power supply potential, wherein the fourth wiring is configured to be set at a low power supply potential, wherein the first wiring is configured to be set at a potential lower than the high power supply potential and higher than the low power supply potential, and wherein the second electrode of the capacitor, the first terminal of the third switch, and the gate of the transistor are directly connected to a same electrical node. ### Claim 2 (depends on 1) The semiconductor device according to claim 1, wherein the first wiring, the second wiring, the third wiring, the first switch, the second switch, the third switch, and the capacitor are included in a digital circuit. ### Claim 3 (depends on 1) The semiconductor device according to claim 1, wherein the first wiring, the second wiring, the third wiring, the first switch, the second switch, the third switch, and the capacitor form a correction unit. ### Claim 4 (depends on 1) A display device comprising the semiconductor device according to claim 1. ### Claim 5 (depends on 1) A light emitting display device comprising the semiconductor device according to claim 1. ### Claim 6 A semiconductor device comprising: a first wiring; a first switch comprising a first terminal and a second terminal; the first terminal of the first switch being electrically connected to the first wiring; a second switch comprising a first terminal and a second terminal, the first terminal of the second switch being electrically connected to the second terminal of the first switch; a second wiring electrically connected to the second terminal of the second switch; a capacitor comprising a first electrode and a second electrode, the first electrode being electrically connected to the second terminal of the first switch; a third switch comprising a first terminal and a second terminal, the first terminal being electrically connected to the second electrode of the capacitor; a third wiring electrically connected to the second terminal of the third switch; a transistor comprising a gate, a first terminal, and a second terminal, the gate being electrically connected to the second electrode of the capacitor and to the first terminal of the third switch, and the first terminal being electrically connected to the third wiring; and a fourth wiring electrically connected to the second terminal of the transistor, wherein an input signal is input to the second terminal of the second switch, and wherein the second electrode of the capacitor, the first terminal of the third switch, and the gate of the transistor are directly connected to a same electrical node. ### Claim 7 (depends on 6) A semiconductor device according to claim 6, further comprising: a fourth switch comprising a first terminal and a second terminal; the first terminal of the fourth switch being electrically connected to the first wiring; a fifth switch comprising a first terminal and a second terminal, the first terminal of the fifth switch being electrically connected to the second terminal of the fourth switch; a fifth wiring electrically connected to the second terminal of the fifth switch; another capacitor comprising a first electrode and a second electrode, the first electrode being electrically connected to the second terminal of the fourth switch; a sixth switch comprising a first terminal and a second terminal, the first terminal being electrically connected to the second electrode of the other capacitor; a sixth wiring electrically connected to the second terminal of the sixth switch; and another transistor comprising a gate, a first terminal, and a second terminal, the gate being electrically connected to the second electrode of the other capacitor, the first terminal being electrically connected to the sixth wiring; and the second terminal being electrically connected to the fourth wiring. ### Claim 8 (depends on 6) The semiconductor device according to claim 6, wherein the first wiring, the second wiring, the third wiring, the first switch, the second switch, the third switch, the capacitor, and the transistor are included in a digital circuit. ### Claim 9 (depends on 6) The semiconductor device according to claim 6, wherein the first wiring, the second wiring, the third wiring, the first switch, the second switch, the third switch, and the capacitor form a correction unit. ### Claim 10 (depends on 6) The semiconductor device according to claim 6, configured so that: the first wiring is to be input with a first digital signal, and the fourth wiring is to output a second digital signal. ### Claim 11 (depends on 6) The semiconductor device according to claim 6, configured so that: the second wiring is to be put at a high potential, and the third wiring is to be put at a high power supply potential greater than the high potential. ### Claim 12 (depends on 6) A display device comprising the semiconductor device according to claim 6. ### Claim 13 (depends on 6) A display device comprising the semiconductor device according to claim 6, further comprising organic light emitting elements in a pixel portion, wherein the first wiring, the second wiring, the third wiring, the first switch, the second switch, the third switch, the capacitor, and the transistor are comprised in a driver circuit. ### Claim 14 A display device comprising: a pixel portion; a scanning driver circuit; a signal driver circuit; a first wiring; a first switch comprising a first terminal and a second terminal; the first terminal of the first switch being electrically connected to the first wiring; a second switch comprising a first terminal and a second terminal, the first terminal of the second switch being electrically connected to the second terminal of the first switch; a second wiring electrically connected to the second terminal of the second switch; a capacitor comprising a first electrode and a second electrode, the first electrode being electrically connected to the second terminal of the first switch; a third switch comprising a first terminal and a second terminal, the first terminal being electrically connected to the second electrode of the capacitor; a third wiring electrically connected to the second terminal of the third switch; a transistor comprising a gate, a first terminal, and a second terminal, the gate being electrically connected to the second electrode of the capacitor and to the first terminal of the third switch, and the first terminal being electrically connected to the third wiring; and a fourth wiring electrically connected to the second terminal of the transistor, wherein an input signal is input to the second terminal of the second switch, and wherein the second electrode of the capacitor, the first terminal of the third switch, and the gate of the transistor are directly connected to a same electrical node. ### Claim 15 (depends on 14) A display device according to claim 14, further comprising: a fourth switch comprising a first terminal and a second terminal; the first terminal of the fourth switch being electrically connected to the first wiring; a fifth switch comprising a first terminal and a second terminal, the first terminal of the fifth switch being electrically connected to the second terminal of the fourth switch; a fifth wiring electrically connected to the second terminal of the fifth switch; another capacitor comprising a first electrode and a second electrode, the first electrode being electrically connected to the second terminal of the fourth switch; a sixth switch comprising a first terminal and a second terminal, the first terminal being electrically connected to the second electrode of the other capacitor; a sixth wiring electrically connected to the second terminal of the sixth switch; and another transistor comprising a gate, a first terminal, and a second terminal, the gate being electrically connected to the second electrode of the other capacitor, the first terminal being electrically connected to the sixth wiring; and the second terminal being electrically connected to the fourth wiring. ### Claim 16 (depends on 14) The display device according to claim 14, wherein the first wiring, the second wiring, the third wiring, the first switch, the second switch, the third switch, the capacitor, and the transistor are comprised in a digital circuit. ### Claim 17 (depends on 14) The display device according to claim 14, wherein the first wiring, the second wiring, the third wiring, the first switch, the second switch, the third switch, and the capacitor form a correction unit. ### Claim 18 (depends on 14) The display device according to claim 14, wherein the first wiring, the second wiring, the third wiring, the first switch, the second switch, the third switch, the capacitor, and the transistor are included in an inverter circuit. ### Claim 19 (depends on 14) The display device according to claim 14, wherein the first wiring, the second wiring, the third wiring, the first switch, the second switch, the third switch, the capacitor, and the transistor are included in a driver circuit. ### Claim 20 (depends on 14) The display device according to claim 14, configured so that: the first wiring is to be input with a first digital signal, and the fourth wiring is to output a second digital signal. ### Claim 21 (depends on 14) The display device according to claim 14, configured so that: the second wiring is to be put at a high potential, and the third wiring is to be put at a high power supply potential greater than the high potential. ### Claim 22 (depends on 14) The display device according to claim 14, further comprising organic light emitting elements in the pixel portion.