WO2016098590A1 - 固体撮像装置および制御方法、並びに電子機器 - Google Patents
固体撮像装置および制御方法、並びに電子機器 Download PDFInfo
- Publication number
- WO2016098590A1 WO2016098590A1 PCT/JP2015/083842 JP2015083842W WO2016098590A1 WO 2016098590 A1 WO2016098590 A1 WO 2016098590A1 JP 2015083842 W JP2015083842 W JP 2015083842W WO 2016098590 A1 WO2016098590 A1 WO 2016098590A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pixel
- signal
- signal line
- vertical signal
- potential
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims description 47
- 238000003384 imaging method Methods 0.000 claims description 47
- 239000004065 semiconductor Substances 0.000 abstract description 3
- 230000000295 complement effect Effects 0.000 abstract description 2
- 229910044991 metal oxide Inorganic materials 0.000 abstract description 2
- 150000004706 metal oxides Chemical class 0.000 abstract description 2
- 230000000875 corresponding effect Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 14
- 239000011159 matrix material Substances 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000002596 correlated effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005401 electroluminescence Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/71—Charge-coupled device [CCD] sensors; Charge-transfer registers specially adapted for CCD sensors
- H04N25/75—Circuitry for providing, modifying or processing image signals from the pixel array
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/40—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled
- H04N25/44—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled by partially reading an SSIS array
- H04N25/445—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled by partially reading an SSIS array by skipping some contiguous pixels within the read portion of the array
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
- H04N25/616—Noise processing, e.g. detecting, correcting, reducing or removing noise involving a correlated sampling function, e.g. correlated double sampling [CDS] or triple sampling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
- H04N25/77—Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
- H04N25/77—Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components
- H04N25/772—Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components comprising A/D, V/T, V/F, I/T or I/F converters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
- H04N25/78—Readout circuits for addressed sensors, e.g. output amplifiers or A/D converters
Definitions
- the present disclosure relates to a solid-state imaging device, a control method, and an electronic apparatus, and more particularly to a solid-state imaging device, a control method, and an electronic device that can shorten the settling time of a vertical signal line at the start of a pixel readout operation.
- equipment Regarding equipment.
- CMOS Complementary Metal-Oxide Semiconductor
- a column ADC that performs CDS Correlated Double Sampling
- P phase a reset level signal
- D phase a reset level signal
- the present disclosure has been made in view of such a situation, and is intended to shorten the settling time of a vertical signal line at the start of a pixel reading operation.
- a solid-state imaging device includes an A / D converter that performs A / D conversion on pixel signals of a plurality of pixels, and a vertical that supplies the pixel signals output from the pixels to the A / D converter.
- the solid-state imaging device includes a signal line and a circuit that raises the potential of the vertical signal line at the start of the pixel readout operation.
- a control method and an electronic apparatus correspond to the solid-state imaging device according to one aspect of the present disclosure.
- an A / D converter that performs A / D conversion on pixel signals of a plurality of pixels, and a vertical signal line that supplies the pixel signals output from the pixels to the A / D converter, And the potential of the vertical signal line is raised at the start of the pixel readout operation.
- imaging can be performed. Further, according to the first aspect of the present disclosure, the settling time of the vertical signal line at the start of the pixel reading operation can be shortened.
- FIG. 3 is a diagram illustrating a configuration example of a pixel region 11 and a pull-up unit 15.
- FIG. FIG. 3 is a diagram illustrating a circuit configuration example of a pixel 31 in FIG. 2.
- FIG. 5 is a diagram showing an example of a timing chart near time t3 in FIG. 4.
- FIG. 4 shows the structural example of 2nd Embodiment of the CMOS image sensor as a solid-state imaging device to which this indication is applied.
- CMOS image sensor (FIGS. 1 to 5) 2.
- Second embodiment CMOS image sensor (FIGS. 6 and 7) 3.
- Third embodiment CMOS image sensor (FIGS. 8 to 10) 4).
- Fourth Embodiment Imaging Device (FIG. 11)
- FIG. 1 is a diagram illustrating a configuration example of a first embodiment of a CMOS image sensor as a solid-state imaging device to which the present disclosure is applied.
- the CMOS image sensor 10 includes a pixel region 11, a pixel drive line 12, a vertical signal line 13, a vertical drive unit 14, a pull-up unit 15, a pull-up drive unit 16, a column processing unit 17, a horizontal drive unit 18, and a system control unit 19.
- the signal processing unit 20 and the memory unit 21 are formed on a semiconductor substrate (chip) such as a silicon substrate (not shown).
- pixels having photoelectric conversion elements that generate and accumulate charges corresponding to the amount of incident light are two-dimensionally arranged in a matrix to perform imaging.
- a pixel drive line 12 is formed for each row with respect to the matrix-like pixels, and a vertical signal line 13 is formed for each column.
- the vertical drive unit 14 includes a shift register, an address decoder, and the like, and drives each pixel in the pixel area 11 in units of rows. One end of the pixel drive line 12 is connected to an output end (not shown) corresponding to each row of the vertical drive unit 14. Although a specific configuration of the vertical drive unit 14 is not shown, the vertical drive unit 14 has two scanning systems, a reading scanning system and a sweeping scanning system, and reads out pixels in a certain row and other rows. Interleave driving is performed to simultaneously perform the pixel reset operation.
- the readout scanning system selects each row in order so that the pixel signal from each pixel is sequentially read out in units of rows, and selects the selection signal and the transfer signal from the output terminal connected to the pixel drive line 12 of the selected row. Etc. are output.
- the pixels in the row selected by the readout scanning system perform a readout operation including readout of the reset level and readout of the electric signal accumulated in the photoelectric conversion element as a pixel signal.
- the read reset level signal and pixel signal are supplied to the column processing unit 17 via the vertical signal line 13.
- the sweep scanning system sweeps (resets) unnecessary charges accumulated in the photoelectric conversion elements of the pixel of the next selected row while the pixel reading operation of the selected row is being performed.
- a reset signal is output from the output terminal connected to the line 12.
- the pull-up unit 15 has a pull-up circuit for each vertical signal line 13.
- the pull-up circuit is driven by the pull-up driver 16 and raises (pulls up) the potential of the vertical signal line 13 when the potential of the vertical signal line 13 is equal to or lower than a predetermined value.
- the pull-up driving unit 16 drives the pull-up unit 15 for a predetermined period at the start of the pixel readout operation of the selected row.
- the column processing unit 17 (A / D conversion unit) includes an A / D conversion circuit for each column of the pixel region 11 and a D / A (Digital / Analog) conversion circuit common to all columns.
- Each A / D conversion circuit includes a PGA (ProgrammablemGain Amplifier), a comparator, and a counter latch, and performs an A / D conversion process on a pixel signal supplied from each pixel of the selected row through the vertical signal line 13.
- CDS correlated double sampling
- the PGA of the A / D conversion circuit first amplifies the reset level signal supplied first through the vertical signal line 13 by the reading operation of the pixel in the selected row of the corresponding column.
- the comparator compares the ramp waveform signal generated by the D / A conversion circuit with the amplified reset level signal.
- the counter latch counts the comparison time of the comparator until the comparison result is switched, and holds the count result as digital data after A / D conversion of the reset level signal.
- the PGA amplifies the pixel signal supplied next to the reset level signal through the vertical signal line 13 by the reading operation of the pixel in the selected row of the corresponding column.
- the comparator compares the ramp waveform signal generated by the D / A conversion circuit with the amplified pixel signal.
- the counter latch subtracts the comparison time of the comparator until the comparison result is switched from the digital data of the held reset level signal. As a result, the counter latch holds the subtraction result as the CDS processing result.
- the horizontal drive unit 18 includes a shift register, an address decoder, and the like, and selects the A / D conversion circuit of the column processing unit 17 in order.
- digital data which is a CDS processing result of the pixel signal held in each A / D conversion circuit of the column processing unit 17 is sequentially output to the signal processing unit 20 as pixel data. Is done.
- the system control unit 19 includes a timing generator that generates various timing signals, and the vertical driving unit 14, the pull-up driving unit 16, the column processing unit 17, and the like based on the various timing signals generated by the timing generator.
- the horizontal drive unit 18 is controlled.
- the signal processing unit 20 has at least an addition processing function.
- the signal processing unit 20 performs various signal processing such as addition processing on the pixel data output from the column processing unit 17. At this time, the signal processing unit 20 stores signal processing intermediate results or the like in the memory unit 21 as necessary, and refers to them at a necessary timing.
- the signal processing unit 20 outputs pixel data after signal processing.
- the memory unit 21 includes DRAM (Dynamic Random Access Memory), SRAM (Static Random Access Memory), and the like.
- FIG. 2 is a diagram illustrating a configuration example of the pixel region 11 and the pull-up unit 15.
- pixels 31 in n rows and m columns are two-dimensionally arranged in a matrix in the pixel region 11.
- pixel drive lines 12 are formed for each row, and vertical signal lines 13 are formed for each column. Therefore, the number of pixel drive lines 12 is n, and the number of vertical signal lines 13 is m.
- the pull-up unit 15 includes m pull-up circuits 51 provided for each vertical signal line 13 and m ⁇ 1 switches 52 provided between two adjacent vertical signal lines 13. .
- the pull-up circuit 51 is a current source circuit that drives the vertical signal line 13, and includes a power supply 71, two transistors 72 and 73, and a current source 74.
- Transistor 72 and transistor 73 are connected in series.
- the transistor 72 and the transistor 73 connected in series are connected between the power supply 71 and the vertical signal line 13 so that the transistor 72 is connected to the power supply 71 and the transistor 73 is connected to the vertical signal line 13.
- a control signal xassistsel for controlling on / off of the transistor 72 is input to the transistor 72 from the pull-up driving unit 16 of FIG.
- the transistor 72 controls on / off of the pull-up circuit 51 by turning on / off according to the control signal xassistsel.
- a signal vassistgate having a predetermined potential is input to the transistor 73 from the pull-up driving unit 16.
- the transistor 73 controls the potential range of the vertical signal line 13 on which the pull-up circuit 51 operates, using the signal vassistgate.
- One end of the current source 74 is connected to a connection position of the vertical signal line 13 with the transistor 73, and the other end is grounded.
- the transistor 73 when the transistor 72 is turned on, the transistor 73 can increase the potential of the vertical signal line 13 when the potential of the vertical signal line 13 is equal to or lower than the potential of the signal vesselsgate.
- the switch 52 (connection unit) is arranged between two adjacent vertical signal lines 13 and is connected to two adjacent signals based on a control signal SW that controls on / off of the switch 52 input from the pull-up driving unit 16. The presence / absence of connection of two vertical signal lines 13 is controlled.
- FIG. 3 is a diagram illustrating a circuit configuration example of the pixel 31 in FIG. 2.
- the pixel 31 includes a photodiode 91 as a photoelectric conversion element, a transfer transistor 92, an FD (floating diffusion) 93, a reset transistor 94, an amplification transistor 95, and a selection transistor 96. Further, the pixel 31 is connected to the terminals 111 to 114.
- the photodiode 91 generates and accumulates charges according to the amount of received light.
- the photodiode 91 has an anode terminal grounded and a cathode terminal connected to the FD 93 via the transfer transistor 92.
- the gate terminal of the transfer transistor 92 is connected to a terminal 111 to which a line for supplying a transfer signal among the pixel drive lines 12 in the corresponding row is connected.
- the transfer transistor 92 is turned on by the transfer signal, the charge generated by the photodiode 91 is read and transferred to the FD 93.
- the FD 93 holds the electric charge read from the photodiode 91.
- the gate terminal of the reset transistor 94 is connected to a terminal 112 to which a line for supplying a reset signal among the pixel drive lines 12 in the corresponding row is connected.
- the reset transistor 94 resets the potential of the FD 93 by discharging the charge accumulated in the FD 93 to the constant voltage source VRst when turned on by the reset signal.
- the gate terminal of the amplifying transistor 95 is connected to the FD 93, and the amplifying transistor 95 outputs a reset level signal and a pixel signal corresponding to the potential of the FD 93 using the power supply VDD.
- the gate terminal of the selection transistor 96 is connected to a terminal 113 to which a line for supplying a selection signal among the pixel drive lines 12 in the corresponding row is connected.
- the selection transistor 96 supplies a reset level signal and a pixel signal output from the amplification transistor 95 to the terminal 114 when turned on by the selection signal.
- the terminal 114 is connected to the vertical signal line 13, and the reset level signal and the pixel signal supplied to the terminal 114 are supplied to the column processing unit 17 through the vertical signal line 13.
- FIG. 4 is a diagram showing an example of a timing chart of the selection signal, reset signal, transfer signal, ramp waveform signal, and potential of the vertical signal line 13 of the CMOS image sensor 10 of FIG.
- FIG. 5 is a diagram showing an example of a timing chart of the selection signal, the reset signal, the transfer signal, the FD 93, the control signal SW, the control signal xassistsel, and the potential of the vertical signal line 13 around time t3 in FIG.
- the horizontal axis represents time
- the vertical axis represents the potential (level) of each signal. The same applies to FIG. 10 described later.
- the vertical drive unit 14 selects rows in order from the top and turns on the selection signal (SEL) of the selected row, thereby causing the pixels 31 in the selected row to perform a read operation. Further, the vertical drive unit 14 turns on the reset signal (RST) of the pixel 31 of the next selected row while the read operation of the pixel 31 of the selected row is performed, and resets the pixel 31 of the next selected row. To do.
- the selection signal in the first row is turned on from time t1 to time t2, and the selection signal in the second row is turned on from time t2 to time t3. Then, the selection signal in the third row is turned on from time t3 to time t4, and the selection signal in the fourth row is turned on from time t4 to time t5.
- the reset signal in the second row is turned on from a little later than time t1 to slightly before time t2, and the reset signal in the third row is turned on from slightly later than time t2 to slightly before time t3. Turned on. Then, the reset signal of the fourth row is turned on from a little later than time t3 to a little before time t4, and the reset signal of the fifth row is turned on from a little later than time t4 to slightly before time t5. Turned on.
- the potential VSL of the vertical signal line 13 at time t3 is the potential of the pixel signal of the pixels 31 in the second row.
- the potential of the pixel signal of the pixel 31 in the second row is the lowest value, but actually, as illustrated in FIG. 5, the potential of the pixel signal (the potential of the FD 93). Takes a value in the range d.
- the maximum value of the range d is determined by the threshold voltage Vth of the amplification transistor 95.
- the A / D conversion of the reset level signal cannot be performed until the potential VSL reaches the potential of the reset level signal. Therefore, when the settling time of the potential VSL is long, the read operation period from time t3 to time t4 becomes long.
- the pull-up unit 15 assists the increase of the potential VSL.
- control signal SW is turned on during a period from time t3 to time t22 (t21 ⁇ t22 ⁇ t11).
- all the m ⁇ 1 switches 52 are turned on, and all the vertical signal lines 13 are connected.
- the potentials VSL of all the vertical signal lines 13 are averaged.
- the potential VSL quickly rises from the potential of the pixel signal of the pixel 31 in the second row after time t3, as indicated by the thick line in FIGS. 4 and 5, and at time t11 before time t12, the third row.
- the potential of the reset level signal of the pixel 31 of the eye is settled. That is, the settling period is a period from time t3 to time t11, which is shorter than the period from time t3 to time t12.
- the read operation period from time t3 to time t4 can be shortened and the frame rate can be improved.
- the pull-up circuit 51 is driven only when the gain of the PGA of the A / D conversion circuit is equal to or less than a predetermined value, that is, when the potential VSL at the start of the read operation is large, and the vertical signal line 13 is driven.
- the potential may be increased.
- the CMOS image sensor 10 includes the pull-up circuit 51 that raises the potential VSL of the vertical signal line 13 at the start of the readout operation of the pixel 31, so that the readout operation period, that is, the A / D conversion time is increased.
- the pull-up circuit 51 raises the potential VSL of the vertical signal line 13 by the transistor 73, there is no increase in current consumption due to this.
- the CMOS image sensor 10 simultaneously performs the read operation of the pixel 31 in the selected row and the reset operation of the pixel 31 in the next selected row, the time required for generating the pixel data can be shortened.
- FIG. 6 is a diagram illustrating a configuration example of a second embodiment of a CMOS image sensor as a solid-state imaging device to which the present disclosure is applied.
- the configuration of the CMOS image sensor 130 of FIG. 6 is that a pull-up unit 131, a pull-up driving unit 132, and a column processing unit 133 are provided instead of the pull-up unit 15, the pull-up driving unit 16, and the column processing unit 17. 1 is different from the configuration of the CMOS image sensor 10 of FIG.
- the CMOS image sensor 130 drives the pull-up circuit 51 of the pull-up unit 131 at the start of the read operation only when the pixel data of the pixel 31 in the row preceding the selected row is equal to or greater than a predetermined value.
- the pull-up unit 131 of the CMOS image sensor 130 has a pull-up circuit 51 for each vertical signal line 13 and a switch 52 for each two adjacent vertical signal lines 13.
- the control signal xassistsel supplied from the pull-up driving unit 132 is on, and the pixel data supplied from the A / D conversion circuit of the column processing unit 133 in the corresponding column is greater than or equal to a predetermined value. If there is, it is driven.
- the pull-up circuit 51 raises the potential of the vertical signal line 13 when the potential of the vertical signal line 13 is equal to or lower than the potential of the signal vassistgate supplied from the pull-up driving unit 132.
- Each switch 52 connects the corresponding two vertical signal lines 13 when the control signal SW supplied from the pull-up driving unit 132 is turned on, whereby all the vertical signal lines 13 are connected. .
- the pull-up driving unit 132 turns on the control signal xassistsel supplied to the pull-up unit 131 for a predetermined period at the start of the reading operation of the pixels 31 in the selected row.
- the pull-up driving unit 132 turns on the control signal SW supplied to the pull-up unit 131 for a predetermined period at the start of the reading operation of the pixels 31 in the selected row, and connects all the vertical signal lines 13. Further, the pull-up driving unit 132 controls the potential VSL of the vertical signal line 13 on which the pull-up circuit 51 operates by supplying the signal vassistgate to the pull-up unit 131.
- the column processing unit 133 includes an A / D conversion circuit for each column of the pixel region 11 and a D / A conversion circuit common to all the columns. Perform CDS processing. Each A / D conversion circuit supplies pixel data held as a result to the pull-up unit 131.
- FIG. 7 is a diagram illustrating a configuration example of the pixel region 11 and the pull-up unit 131.
- the configuration of the pull-up unit 131 in FIG. 7 is different from the configuration of the pull-up unit 15 in FIG. 2 in that m AND circuits 151 provided for each vertical signal line 13 are newly provided.
- the AND circuit 151 receives the control signal xassistsel from the pull-up driving unit 132 of FIG. 6 and the pixels of the pixels 31 in the row before the selected row from the A / D conversion circuit of the column processing unit 133 of the corresponding column. The most significant bit of data is input.
- the AND circuit 151 turns on the transistor 72 when the control signal xassistsel is on (1) and the most significant bit of the pixel data is 1. On the other hand, when the control signal xassistsel is off (0) or the most significant bit of the pixel data is 0, the transistor 72 is turned off.
- the transistor 72 is turned on for a predetermined period and the pull-up circuit 51 is driven at the start of the reading operation of the pixel 31 in the selected row.
- the timing chart of the CMOS image sensor 130 is the same as the timing chart of FIGS. 4 and 5 when the most significant bit of the pixel data of the pixel 31 in the row before the selected row is 1.
- the bit input to the AND circuit 151 may be other than the most significant bit.
- the number of bits input to the AND circuit 151 may be two or more.
- the bit input to the AND circuit 151 may not be the pixel data bit itself but an inverted value of the pixel data bit.
- FIG. 8 is a diagram illustrating a configuration example of a third embodiment of a CMOS image sensor as a solid-state imaging device to which the present disclosure is applied.
- the CMOS image sensor 170 shown in FIG. 8 has a pixel area 171, a pixel drive line 172, a vertical signal line instead of the pixel area 11, the pixel drive line 12, the vertical signal line 13, the vertical drive unit 14, and the column processing unit 17. 1 is different from the configuration of the CMOS image sensor 10 of FIG. 1 in that a vertical driving unit 174 and a column processing unit 177 are provided.
- one vertical signal line 173 is connected to each pixel group including four columns of pixels 31, and the pixels 31 in the selected row are arranged in the same position in the pixel group (hereinafter referred to as pixel group). The reading operation is performed in order for each of the inner columns).
- the pixels 31 are two-dimensionally arranged in a matrix in the pixel region 171 of the CMOS image sensor 170, and imaging is performed.
- the pixel region 171 for each row of the pixels 31, four pixel drive lines 172 corresponding to the columns in each pixel group of the row are formed, and a vertical signal line 173 is formed for every four columns.
- the vertical drive unit 174 includes a shift register, an address decoder, and the like, and drives the pixels 31 in the pixel area 171 in units of rows and columns in the pixel group.
- One end of a pixel drive line 172 is connected to an output end (not shown) corresponding to each pixel group column in each row of the vertical drive unit 174.
- the vertical drive unit 174 has two scanning systems, a reading scanning system and a sweeping scanning system.
- the vertical driving unit 174 performs interleave driving that simultaneously performs the read operation of the pixels 31 in a certain pixel group column and the reset operation of the pixels 31 in the other pixel group columns.
- the readout scanning system sequentially selects each row and each column within each pixel group so that the pixel signal from each pixel 31 is sequentially read out in units of rows and in units of columns within the pixel group.
- the readout scanning system outputs a selection signal, a transfer signal, and the like from an output terminal connected to the pixel drive line 172 in the selected pixel group column of the selected row.
- the pixels 31 in the pixel group column of the row selected by the readout scanning system perform a readout operation, and supply the readout reset signal and pixel signal to the column processing unit 177 via the vertical signal line 173. To do.
- the sweep-out scanning system is stored in the photoelectric conversion element of the pixel 31 in the selected pixel group in the next selected row while the pixel signal readout operation of the pixel 31 in the selected pixel group in the selected row is performed.
- a reset signal is output from the output terminal connected to the pixel drive line 172 in the column in the selected pixel group of the next selected row. While the readout operation of the pixel signal of the pixel 31 in the selected pixel group in the selected row is performed by the scanning by the sweep-out scanning system, the reset operation of the pixel 31 in the selected pixel group in the next selected row is performed. Is called.
- the column processing unit 177 has an A / D conversion circuit for every four columns in the pixel region 171 and a D / A conversion circuit common to all the columns.
- Each A / D conversion circuit is configured in the same manner as the A / D conversion circuit of the column processing unit 17 in FIG. 1, and converts each pixel signal supplied from each pixel in the selected pixel group column of the selected row through the vertical signal line 173.
- a / D conversion processing and CDS processing are performed.
- FIG. 9 is a diagram illustrating a configuration example of the pixel region 171 and the pull-up unit 15.
- n rows and m columns (n and m are integers of 1 or more) of pixels 31 are two-dimensionally arranged in a matrix.
- a pixel drive line 172 is formed for each column in the pixel group of each row. That is, for each pixel 31 in the first column, the second column, the third column, and the fourth column from the left in each pixel group 191 of the four columns of pixels 31 in the same row, Different pixel drive lines 172 are formed.
- one vertical signal line 173 is formed for each pixel group 191. That is, a common vertical signal line 173 is formed for each pixel 31 in the pixel group 191. Accordingly, the number of pixel drive lines 172 is 4n, and the number of vertical signal lines 173 is m / 4.
- Example of timing chart for CMOS image sensor 10 is a diagram illustrating an example of a timing chart of the selection signal, the reset signal, the transfer signal, the ramp waveform signal, and the potential of the vertical signal line 173 of the CMOS image sensor 170 of FIG.
- the vertical driving unit 174 selects the rows in order from the top, and selects the columns in the pixel group in the order of the first column, the third column, the second column, and the fourth column from the left. Then, the vertical drive unit 174 turns on the selection signal (SEL) in the selected pixel group column of the selected row to cause the pixel 31 in the selected pixel group column of the selected row to perform a read operation. In addition, the vertical drive unit 174 turns on the reset signal (RST) of the pixel 31 in the selected pixel group in the next selected row while the pixel 31 in the selected pixel group in the selected row is being read. Then, the pixel 31 is reset.
- SEL selection signal
- RST reset signal
- the selection signal of the first column in the pixel group from the left of the selected row is turned on from time t41 to time t42, and the third column from time t42 to time t43.
- the selection signal for the column in the pixel group is turned on. From time t43 to time t44, the selection signal for the second column in the pixel group is turned on, and from time t44 to time t45, the selection signal for the fourth column in the pixel group is turned on. .
- the reset signal for the third column in the pixel group is turned on from a little later than time t41 to a little before time t42, and for two columns from a little later than time t42 to slightly before time t43.
- the reset signal for the column in the pixel group of the eye is turned on.
- the reset signal for the fourth column in the pixel group is turned on from a little later than time t43 to a little before time t44, and one column from a little later than time t44 to slightly before time t45.
- the reset signal for the column in the pixel group of the eye is turned on.
- the selected row is changed to the next row.
- the pixels 31 in the selected row are the pixel groups in the first, third, second, and fourth columns from the left.
- a readout operation is performed for each column in the pixel group in the order of the inner column.
- the reset level signal of the pixel 31 is applied to the vertical signal line 173, as in the case of FIG. Read out.
- the readout operation of the pixels 31 in the third pixel group column is performed. Therefore, when the potential of the pixel signal of the pixel 31 in the third column of the pixel group is low, in the CMOS image sensor not having the pull-up portion 15, the potential VSL is in the second column as shown by the thin line in FIG. It takes a long time to settle to the potential of the reset level signal of the pixel 31 in the column in the pixel group. That is, the settling time from time t43 at which the read operation starts to time t52 when the potential VSL settles to the potential of the reset level signal becomes longer. As a result, the read operation period from time t43 to time t44 becomes longer.
- CMOS image sensor 170 having the pull-up unit 15 as in the case of FIG. 5, a predetermined period from the time t 43 when the reading operation of the pixel 31 in the second column of the pixel group is started.
- the control signal xassitsel is turned on.
- the pull-up unit 15 assists the increase of the potential VSL.
- control signal SW is turned on for a predetermined period from time t43. Accordingly, all the m / 4 ⁇ 1 switches 52 are turned on for a predetermined period from time t43, and the potentials VSL of all the vertical signal lines 173 are averaged.
- the potential VSL quickly rises from the potential of the pixel signal of the pixel 31 in the third column of the pixel group after time t43 as shown by the thick line in FIG. 10, and at time t51 before time t52, The potential of the reset level signal of the pixel 31 in the third pixel group column settles. That is, the settling period is a period from time t43 to time t51, which is shorter than the period from time t43 to time t52. As a result, the read operation period from time t43 to time t44 can be shortened and the frame rate can be improved.
- a / D conversion of the reset level signal of the pixel 31 in the second pixel group column is performed.
- the vertical driving unit 174 turns on the transfer signal of the pixel 31 in the third pixel group column, thereby causing the pixel signal of the pixel 31 in the third pixel group column to be vertical. Read out to the signal line 173.
- a / D conversion of the pixel signals of the pixels 31 in the second column of the pixel group is performed.
- the number of columns constituting the pixel group 191 is four, but the number of columns constituting the pixel group 191 can be any number.
- FIG. 11 is a diagram illustrating a configuration example of an embodiment of an imaging apparatus as an electronic apparatus to which the present disclosure is applied.
- the imaging apparatus 1000 includes a lens group 1001, a solid-state imaging device 1002, a DSP circuit 1003, a frame memory 1004, a display unit 1005, a recording unit 1006, an operation unit 1007, and a power supply unit 1008.
- the DSP circuit 1003, the frame memory 1004, the display unit 1005, the recording unit 1006, the operation unit 1007, and the power supply unit 1008 are connected to each other via a bus line 1009.
- the lens group 1001 takes in incident light (image light) from a subject and forms an image on the imaging surface of the solid-state imaging device 1002.
- the solid-state image sensor 1002 includes the above-described CMOS image sensor 10 (130, 170).
- the solid-state imaging device 1002 converts the amount of incident light imaged on the imaging surface by the lens group 1001 into an electrical signal in units of pixels and supplies the electrical signal to the DSP circuit 1003 as a pixel signal.
- the DSP circuit 1003 performs predetermined image processing on the pixel signal supplied from the solid-state imaging device 1002, supplies the image signal after the image processing to the frame memory 1004 in units of frames, and temporarily stores them.
- the display unit 1005 includes, for example, a panel type display device such as a liquid crystal panel or an organic EL (Electro Luminescence) panel, and displays an image based on a pixel signal in a frame unit temporarily stored in the frame memory 1004.
- a panel type display device such as a liquid crystal panel or an organic EL (Electro Luminescence) panel, and displays an image based on a pixel signal in a frame unit temporarily stored in the frame memory 1004.
- the recording unit 1006 includes a DVD (Digital Versatile Disk), a flash memory, and the like, and reads and records pixel signals in units of frames temporarily stored in the frame memory 1004.
- DVD Digital Versatile Disk
- flash memory and the like, and reads and records pixel signals in units of frames temporarily stored in the frame memory 1004.
- the operation unit 1007 issues operation commands for various functions of the imaging apparatus 1000 under operation by the user.
- the power supply unit 1008 appropriately supplies power to the DSP circuit 1003, the frame memory 1004, the display unit 1005, the recording unit 1006, and the operation unit 1007.
- An electronic device to which the present technology is applied may be a device that uses a CMOS image sensor for an image capturing unit (photoelectric conversion unit).
- CMOS image sensor for an image capturing unit (photoelectric conversion unit).
- a portable terminal device having an imaging function, and a CMOS image for an image reading unit.
- copiers that use sensors.
- the A / D conversion circuit may be provided for each of the one or more pixels instead of being provided for each of the one or more columns.
- the vertical driving unit 14 (174) performs the interleave driving. However, the vertical driving unit 14 (174) performs the read operation of the pixel 31 in the selected row, the next selected row, and so on. The pixels 31 may be driven so that the reset operation is sequentially performed. Even in this case, the pull-up circuit 51 can shorten the settling time of the potential VSL of the vertical signal line 13 (173) at the start of the read operation.
- this indication can also take the following structures.
- An A / D converter for A / D converting pixel signals of a plurality of pixels for A / D converting pixel signals of a plurality of pixels;
- a vertical signal line for supplying the pixel signal output from the pixel to the A / D converter;
- a solid-state imaging device comprising: a circuit that raises the potential of the vertical signal line at the start of the pixel readout operation.
- the circuit is configured to increase the potential of the vertical signal line when the potential of the vertical signal line is equal to or lower than a predetermined value.
- a connection unit for controlling presence / absence of connection of the plurality of vertical signal lines The solid-state imaging device according to any one of (1) to (6), wherein the connection unit connects the plurality of vertical signal lines for a predetermined period at the start of the pixel readout operation.
- a solid-state imaging device comprising: an A / D converter that performs A / D conversion on pixel signals of a plurality of pixels; and a vertical signal line that supplies the pixel signals output from the pixels to the A / D converter, A control method including a step of increasing the potential of the vertical signal line at the start of a readout operation of the pixel.
- An electronic device comprising: a circuit that raises the potential of the vertical signal line at the start of the pixel readout operation.
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Solid State Image Pick-Up Elements (AREA)
Abstract
Description
本開示の一側面においては、複数の画素の画素信号をA/D変換するA/D変換部と、前記画素から出力される前記画素信号を前記A/D変換部に供給する垂直信号線とが備えられ、前記画素の読み出し動作の開始時に、前記垂直信号線の電位が上昇させられる。
1.第1実施の形態:CMOSイメージセンサ(図1乃至図5)
2.第2実施の形態:CMOSイメージセンサ(図6および図7)
3.第3実施の形態:CMOSイメージセンサ(図8乃至図10)
4.第4実施の形態:撮像装置(図11)
(CMOSイメージセンサの第1実施の形態の構成例)
図1は、本開示を適用した固体撮像装置としてのCMOSイメージセンサの第1実施の形態の構成例を示す図である。
図2は、画素領域11とプルアップ部15の構成例を示す図である。
図3は、図2の画素31の回路構成例を示す図である。
図4は、図1のCMOSイメージセンサ10の選択信号、リセット信号、転送信号、ランプ波形の信号、および垂直信号線13の電位のタイミングチャートの例を示す図である。また、図5は、図4の時刻t3付近の選択信号、リセット信号、転送信号、FD93、制御信号SW、制御信号xassistsel、および垂直信号線13の電位のタイミングチャートの例を示す図である。
(CMOSイメージセンサの第2実施の形態の構成例)
図6は、本開示を適用した固体撮像装置としてのCMOSイメージセンサの第2実施の形態の構成例を示す図である。
図7は、画素領域11とプルアップ部131の構成例を示す図である。
(CMOSイメージセンサの第3実施の形態の構成例)
図8は、本開示を適用した固体撮像装置としてのCMOSイメージセンサの第3実施の形態の構成例を示す図である。
図9は、画素領域171とプルアップ部15の構成例を示す図である。
図10は、図8のCMOSイメージセンサ170の選択信号、リセット信号、転送信号、ランプ波形の信号、および垂直信号線173の電位のタイミングチャートの例を示す図である。
(撮像装置の一実施の形態の構成例)
図11は、本開示を適用した電子機器としての撮像装置の一実施の形態の構成例を示す図である。
複数の画素の画素信号をA/D変換するA/D変換部と、
前記画素から出力される前記画素信号を前記A/D変換部に供給する垂直信号線と、
前記画素の読み出し動作の開始時に、前記垂直信号線の電位を上昇させる回路と
を備える固体撮像装置。
(2)
前記回路は、トランジスタにより形成される
ように構成された
前記(1)に記載の固体撮像装置。
(3)
前記回路は、前記垂直信号線の電位が所定値以下である場合、前記垂直信号線の電位を上昇させる
ように構成された
前記(2)に記載の固体撮像装置。
(4)
前記回路は、前記A/D変換の結果得られるデジタルデータが所定値以上である場合、前記垂直信号線の電位を上昇させる
ように構成された
前記(2)または(3)に記載の固体撮像装置。
(5)
前記回路は、前記A/D変換のゲインが所定値以下である場合、前記垂直信号線の電位を上昇させる
ように構成された
前記(1)乃至(4)のいずれかに記載の固体撮像装置。
(6)
前記回路は、所定の期間、前記垂直信号線の電位を上昇させる
ように構成された
前記(1)乃至(5)のいずれかに記載の固体撮像装置。
(7)
複数の前記垂直信号線の接続の有無を制御する接続部
をさらに備え、
前記接続部は、前記画素の読み出し動作の開始時に、所定の期間、複数の前記垂直信号線を接続させる
前記(1)乃至(6)のいずれかに記載の固体撮像装置。
(8)
前記複数の画素のうちの一部の画素の読み出し動作が行われている間、他の画素のリセット動作が行われる
ように構成された
前記(1)乃至(7)のいずれかに記載の固体撮像装置。
(9)
複数の画素の画素信号をA/D変換するA/D変換部と、前記画素から出力される前記画素信号を前記A/D変換部に供給する垂直信号線とを備える固体撮像装置が、
前記画素の読み出し動作の開始時に、前記垂直信号線の電位を上昇させる
ステップを含む制御方法。
(10)
複数の画素の画素信号をA/D変換するA/D変換部と、
前記画素から出力される前記画素信号を前記A/D変換部に供給する垂直信号線と、
前記画素の読み出し動作の開始時に、前記垂直信号線の電位を上昇させる回路と
を備える電子機器。
Claims (10)
- 複数の画素の画素信号をA/D変換するA/D変換部と、
前記画素から出力される前記画素信号を前記A/D変換部に供給する垂直信号線と、
前記画素の読み出し動作の開始時に、前記垂直信号線の電位を上昇させる回路と
を備える固体撮像装置。 - 前記回路は、トランジスタにより形成される
ように構成された
請求項1に記載の固体撮像装置。 - 前記回路は、前記垂直信号線の電位が所定値以下である場合、前記垂直信号線の電位を上昇させる
ように構成された
請求項2に記載の固体撮像装置。 - 前記回路は、前記A/D変換の結果得られるデジタルデータが所定値以上である場合、前記垂直信号線の電位を上昇させる
ように構成された
請求項2に記載の固体撮像装置。 - 前記回路は、前記A/D変換のゲインが所定値以下である場合、前記垂直信号線の電位を上昇させる
ように構成された
請求項1に記載の固体撮像装置。 - 前記回路は、所定の期間、前記垂直信号線の電位を上昇させる
ように構成された
請求項1に記載の固体撮像装置。 - 複数の前記垂直信号線の接続の有無を制御する接続部
をさらに備え、
前記接続部は、前記画素の読み出し動作の開始時に、所定の期間、複数の前記垂直信号線を接続させる
請求項1に記載の固体撮像装置。 - 前記複数の画素のうちの一部の画素の読み出し動作が行われている間、他の画素のリセット動作が行われる
ように構成された
請求項1に記載の固体撮像装置。 - 複数の画素の画素信号をA/D変換するA/D変換部と、前記画素から出力される前記画素信号を前記A/D変換部に供給する垂直信号線とを備える固体撮像装置が、
前記画素の読み出し動作の開始時に、前記垂直信号線の電位を上昇させる
ステップを含む制御方法。 - 複数の画素の画素信号をA/D変換するA/D変換部と、
前記画素から出力される前記画素信号を前記A/D変換部に供給する垂直信号線と、
前記画素の読み出し動作の開始時に、前記垂直信号線の電位を上昇させる回路と
を備える電子機器。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/531,817 US10250836B2 (en) | 2014-12-15 | 2015-12-02 | Solid-state image sensing apparatus, control method, and electronic device |
JP2016564775A JP6760079B2 (ja) | 2014-12-15 | 2015-12-02 | 固体撮像装置および制御方法、並びに電子機器 |
US15/992,751 US10368026B2 (en) | 2014-12-15 | 2018-05-30 | Solid-state image sensing apparatus, control method, and electronic device |
US16/439,567 US10630930B2 (en) | 2014-12-15 | 2019-06-12 | Solid-state image sensing apparatus, control method, and electronic device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014-252724 | 2014-12-15 | ||
JP2014252724 | 2014-12-15 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/531,817 A-371-Of-International US10250836B2 (en) | 2014-12-15 | 2015-12-02 | Solid-state image sensing apparatus, control method, and electronic device |
US15/992,751 Continuation US10368026B2 (en) | 2014-12-15 | 2018-05-30 | Solid-state image sensing apparatus, control method, and electronic device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016098590A1 true WO2016098590A1 (ja) | 2016-06-23 |
Family
ID=56126484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2015/083842 WO2016098590A1 (ja) | 2014-12-15 | 2015-12-02 | 固体撮像装置および制御方法、並びに電子機器 |
Country Status (3)
Country | Link |
---|---|
US (3) | US10250836B2 (ja) |
JP (1) | JP6760079B2 (ja) |
WO (1) | WO2016098590A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020111100A1 (ja) * | 2018-11-30 | 2020-06-04 | ソニーセミコンダクタソリューションズ株式会社 | 固体撮像装置及び電子機器 |
CN111565288A (zh) * | 2019-02-13 | 2020-08-21 | 豪威科技股份有限公司 | 用于与分割位线一起使用的偏置电路 |
WO2020183809A1 (ja) * | 2019-03-13 | 2020-09-17 | ソニーセミコンダクタソリューションズ株式会社 | 固体撮像装置、電子機器、および、固体撮像装置の制御方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10250836B2 (en) | 2014-12-15 | 2019-04-02 | Sony Corporation | Solid-state image sensing apparatus, control method, and electronic device |
KR102307376B1 (ko) * | 2015-06-09 | 2021-10-06 | 에스케이하이닉스 주식회사 | 이미지 센싱 장치 및 그의 리드아웃 방법 |
US11363226B2 (en) * | 2020-04-27 | 2022-06-14 | Shenzhen GOODIX Technology Co., Ltd. | Ping pong readout structure in image sensor with dual pixel supply |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007050053A (ja) * | 2005-08-16 | 2007-03-01 | Canon Inc | 放射線撮像装置、その制御方法及び放射線撮像システム |
JP2007214791A (ja) * | 2006-02-08 | 2007-08-23 | Canon Inc | 撮像素子、撮像装置、及び撮像素子の駆動方法 |
JP2008136239A (ja) * | 2006-08-08 | 2008-06-12 | Canon Inc | 光電変換装置及びその制御方法並びに撮像装置 |
JP2008136042A (ja) * | 2006-11-29 | 2008-06-12 | Sony Corp | 固体撮像装置、撮像装置 |
JP2011114731A (ja) * | 2009-11-27 | 2011-06-09 | Panasonic Corp | 固体撮像装置、その駆動方法、及び撮像装置 |
WO2013179597A1 (ja) * | 2012-05-30 | 2013-12-05 | パナソニック株式会社 | 固体撮像装置、その駆動方法及び撮影装置 |
WO2014065223A1 (ja) * | 2012-10-25 | 2014-05-01 | シャープ株式会社 | 固体撮像装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4194633B2 (ja) | 2006-08-08 | 2008-12-10 | キヤノン株式会社 | 撮像装置及び撮像システム |
JP2011259407A (ja) | 2010-05-13 | 2011-12-22 | Sony Corp | 信号処理回路、固体撮像素子およびカメラシステム |
JP5558278B2 (ja) * | 2010-09-10 | 2014-07-23 | 株式会社東芝 | 固体撮像装置 |
JP5868065B2 (ja) * | 2011-08-05 | 2016-02-24 | キヤノン株式会社 | 撮像装置 |
US9491383B2 (en) * | 2013-06-07 | 2016-11-08 | Invisage Technologies, Inc. | Image sensor with noise reduction |
JP6362328B2 (ja) * | 2013-12-26 | 2018-07-25 | キヤノン株式会社 | 固体撮像装置及びその駆動方法 |
US10250836B2 (en) | 2014-12-15 | 2019-04-02 | Sony Corporation | Solid-state image sensing apparatus, control method, and electronic device |
-
2015
- 2015-12-02 US US15/531,817 patent/US10250836B2/en active Active
- 2015-12-02 WO PCT/JP2015/083842 patent/WO2016098590A1/ja active Application Filing
- 2015-12-02 JP JP2016564775A patent/JP6760079B2/ja active Active
-
2018
- 2018-05-30 US US15/992,751 patent/US10368026B2/en active Active
-
2019
- 2019-06-12 US US16/439,567 patent/US10630930B2/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007050053A (ja) * | 2005-08-16 | 2007-03-01 | Canon Inc | 放射線撮像装置、その制御方法及び放射線撮像システム |
JP2007214791A (ja) * | 2006-02-08 | 2007-08-23 | Canon Inc | 撮像素子、撮像装置、及び撮像素子の駆動方法 |
JP2008136239A (ja) * | 2006-08-08 | 2008-06-12 | Canon Inc | 光電変換装置及びその制御方法並びに撮像装置 |
JP2008136042A (ja) * | 2006-11-29 | 2008-06-12 | Sony Corp | 固体撮像装置、撮像装置 |
JP2011114731A (ja) * | 2009-11-27 | 2011-06-09 | Panasonic Corp | 固体撮像装置、その駆動方法、及び撮像装置 |
WO2013179597A1 (ja) * | 2012-05-30 | 2013-12-05 | パナソニック株式会社 | 固体撮像装置、その駆動方法及び撮影装置 |
WO2014065223A1 (ja) * | 2012-10-25 | 2014-05-01 | シャープ株式会社 | 固体撮像装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020111100A1 (ja) * | 2018-11-30 | 2020-06-04 | ソニーセミコンダクタソリューションズ株式会社 | 固体撮像装置及び電子機器 |
CN111565288A (zh) * | 2019-02-13 | 2020-08-21 | 豪威科技股份有限公司 | 用于与分割位线一起使用的偏置电路 |
CN111565288B (zh) * | 2019-02-13 | 2021-08-24 | 豪威科技股份有限公司 | 用于与分割位线一起使用的偏置电路 |
WO2020183809A1 (ja) * | 2019-03-13 | 2020-09-17 | ソニーセミコンダクタソリューションズ株式会社 | 固体撮像装置、電子機器、および、固体撮像装置の制御方法 |
Also Published As
Publication number | Publication date |
---|---|
US20190297293A1 (en) | 2019-09-26 |
JPWO2016098590A1 (ja) | 2017-09-21 |
US10250836B2 (en) | 2019-04-02 |
US20180278876A1 (en) | 2018-09-27 |
JP6760079B2 (ja) | 2020-09-23 |
US10368026B2 (en) | 2019-07-30 |
US20170332026A1 (en) | 2017-11-16 |
US10630930B2 (en) | 2020-04-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2016098590A1 (ja) | 固体撮像装置および制御方法、並びに電子機器 | |
JP4353281B2 (ja) | A/d変換回路、a/d変換回路の制御方法、固体撮像装置および撮像装置 | |
JP4609428B2 (ja) | 固体撮像装置、固体撮像装置の駆動方法および撮像装置 | |
JP5066996B2 (ja) | 固体撮像装置、固体撮像装置の信号処理方法および撮像装置 | |
JP4389959B2 (ja) | 固体撮像装置、固体撮像装置の信号処理方法および撮像装置 | |
US9185313B2 (en) | Solid-state imaging device, method of driving the same, signal processing method for the same, and imaging apparatus | |
US20170118433A1 (en) | Solid-state image sensing device and electronic device | |
JP5181737B2 (ja) | 駆動回路、駆動方法、固体撮像装置および電子機器 | |
TWI628957B (zh) | 固態影像拾取裝置、其驅動方法以及電子設備 | |
CN103595930A (zh) | 固态成像设备、驱动方法及电子设备 | |
JP2012129799A (ja) | 固体撮像素子および駆動方法、並びに電子機器 | |
JP4974701B2 (ja) | 固体撮像装置 | |
WO2011083541A1 (ja) | 固体撮像装置および撮像装置 | |
JP2010028434A (ja) | 固体撮像装置 | |
JP5906596B2 (ja) | 撮像装置 | |
JP2013258523A (ja) | 固体撮像装置、固体撮像装置の駆動方法、及び、電子機器 | |
JP2013197697A (ja) | 固体撮像装置及び電子機器 | |
JP2008283245A (ja) | 固体撮像装置、並びにそれを用いたビデオカメラ及びデジタルスチルカメラ | |
JP6213596B2 (ja) | 撮像装置 | |
JP2011188530A (ja) | 固体撮像装置、固体撮像装置の駆動方法および電子機器 | |
JP2005217819A (ja) | 直流レベル変換回路および直流レベル変換回路を制御する方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15869796 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2016564775 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15531817 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 15869796 Country of ref document: EP Kind code of ref document: A1 |