JP3128893B2 - Solid-state color imaging device and solid-state color imaging device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solid-state color image pickup device and a solid-state color image pickup device suitable for use in a so-called still image pickup color camera device such as a color image scanner.

[0002]

2. Description of the Related Art Hitherto, there has been known a still image pickup apparatus which performs color image pickup of a subject using a solid-state image pickup device such as a CCD line sensor. In such a still image pickup apparatus, in order to prevent color unevenness of an image due to image pickup, a so-called white balance in which outputs from the red, green, and blue light receiving elements are set to a predetermined level before the start of image pickup. Is adjusted.

The white balance can be adjusted by, for example, controlling the brightness of a light source, controlling the aperture of an iris, or simultaneously adjusting all the charges accumulated in the light-receiving elements for each color. This is performed by adjusting the gains of the amplifiers provided for the light receiving elements of the respective colors so as to keep the level of the electric charge output from the light receiving elements for the respective colors constant.

[0004]

However, in the conventional still image pickup apparatus, the white balance is adjusted by adjusting the gains of the amplifiers provided for the light receiving elements of the respective colors. In addition to the complicated circuit configuration, it takes time and effort to adjust the gain of the amplifier for each color, resulting in high cost.

The present invention has been made in view of the above-described problems, and has a single-chip solid-state color imaging device capable of independently adjusting the output level of each color component, and a solid-state color imaging device using the solid-state color imaging device. It is intended to provide a color imaging device.

[0006]

According to the present invention, there is provided a light receiving section having a plurality of red light receiving elements, a green light receiving element, and a blue light receiving element for accumulating electric charges corresponding to received imaging light; A charge discharging unit for discharging the charge accumulated in the light receiving element for each color, and a shutter gate provided between the light receiving element for each color of the light receiving unit and the charge discharging unit and independently controlled in opening and closing. A charge transfer unit that transfers and outputs the charge stored in each color light receiving element of the light receiving unit, and transfers the charge of each color component stored in each color light receiving element of the light receiving unit to the shutter gate. The above-mentioned problem is solved by discharging the electric charge to the above-mentioned charge discharging part for each color component.

Further, the present invention provides a light receiving section having a plurality of red light receiving elements, a green light receiving element, and a blue light receiving element for accumulating electric charges according to received image pickup light, and a light receiving element for each color of the light receiving section. A charge discharging unit for discharging charges accumulated in the light receiving unit, a shutter gate provided between the light receiving element for each color of the light receiving unit and the charge discharging unit and independently controlled in opening and closing, and the light receiving unit A solid-state color image pickup device having a charge transfer unit for transferring and outputting the charge accumulated in each color light-receiving element, and controlling the opening and closing of a shutter gate of the solid-state color image pickup device to thereby control each color of the light-receiving unit. Driving for controlling the effective charge accumulation period of the light receiving element for each color for each color, and outputting the charges accumulated in the light receiving elements for each color during the effective charge accumulation period via the charge transfer section. To solve the above problems as characterized by having a stage.

[0008]

In the solid-state color image pickup device according to the present invention, the charge accumulated in the light receiving element for each color is separated for each color component through the shutter gate provided between the light receiving element for each color of the light receiving section and the charge discharging section. The charge is discharged to the charge discharging section.

Further, in the solid-state color image pickup device according to the present invention, the effective charge accumulation period of each color light-receiving element of the light-receiving section of the solid-state color image pickup element is controlled for each color by driving the solid-state color image pickup element by the driving means. Then, the charges accumulated in the light receiving elements for each color during the effective charge accumulation period are output from the light receiving elements for each color via the charge transfer section.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a solid-state color imaging device and a solid-state color imaging device according to the present invention will be described below with reference to the drawings. The solid-state color imaging device according to the present invention is configured, for example, as a CCD line sensor 1 shown in FIG.

That is, this CCD line sensor 1
A light receiving section 2 having a plurality of red light receiving elements (R light receiving elements) 2R, green light receiving elements (G light receiving elements) 2G, and blue light receiving elements (B light receiving elements) 2B provided in series.
And a shutter drain 3 serving as a charge discharging unit for discharging the charge stored in the light receiving element for each color of the light receiving unit 2, and transferring the charge stored in the light receiving element for each color of the light receiving unit 2. Is a charge transfer unit that outputs
A D analog register 4, a shutter gate 5 provided between the R light receiving element 2R, the G light receiving element 2G, the B light receiving element 2B, and the shutter drain 3, and the R light receiving element 2R, G light receiving element It comprises a shift gate 6 provided between the 2G / B light receiving element 2B and the CCD analog register 4, and a buffer 11 for amplifying the charge from the CCD analog register with a predetermined gain and outputting the amplified charge.

The shutter gate 5 comprises a plurality of R shutter gates 5R, a G shutter gate 5G, and a B shutter gate 5B. The R shutter gate 5R is connected to the R shutter pulse input terminal 7R. The G shutter gate 5G is connected to the G shutter pulse input terminal 7G,
The B shutter gate 5B is connected to the B shutter pulse input terminal 7B. The R shutter gate 5R, the G shutter gate 5G, and the B shutter gate 5B are connected to the shutter pulse input terminals 7 respectively.
With each shutter pulse supplied to R, 7G, 7B,
Each is opened and closed independently.

The shift gate 6 comprises a plurality of R shift gates 6R, a G shift gate 6G and a B shift gate 6B, all of which are connected to a shift pulse input terminal. And the above R
The shift gate 6R, the G shift gate 6G, and the B shift gate 6B are simultaneously opened and closed by a shift pulse supplied to the shift pulse input terminal.

In the CCD line sensor 1 having such a configuration, the R shutter gate 5R, the G shutter gate 5G, and the B shutter gate 5B are independently opened and closed, so that the light receiving elements 2R, 2G, The charges accumulated in 2B can be discharged to the shutter drain 3 for each color component. Therefore, the effective charge accumulation period of the light receiving elements 2R, 2G, 2B for each color can be adjusted for each color by each shutter pulse supplied to the shutter pulse input terminals 7R, 7G, 7B. And
By adjusting the effective charge accumulation period for each color,
The charge amount of each color component read from the light receiving elements 2R, 2G, 2B for the respective colors to the CCD analog register 4 via the shift gates 6R, 6G, 6B, that is, the signal level of the imaging output can be adjusted.

FIG. 2 is a block diagram showing the configuration of the solid-state color imaging device according to the present invention. This solid-state color image pickup apparatus is an image scanner for reading an image original 20 to which the present invention is applied, and includes the CCD line sensor 1 shown in FIG. 1 as a scanner.

Also, a clock driver 22 for supplying a drive clock to the CCD analog register 4 in accordance with a clock generated by a clock generator 21 as driving means for the CCD line sensor 1, a shutter pulse, a shift pulse, etc. A system controller 23 for supplying various control pulses to the CCD line sensor 1 is provided.

The CCD line sensor 1 reads the image original 20 illuminated by the light source 24 line by line, and outputs the image output from the amplifier 25 to the A / D converter 2.
6. A / D converter 26
Is configured to digitize the imaging output from the CCD line sensor 1 and supply the imaging data to the frame memory 26 and to the system controller 23.

In the solid-state color image pickup device having such a configuration, the system controller 23 adjusts the white balance in advance by the following procedure when the image original 20 is read by the CCD line sensor 1.

First, light quantity control is performed at the start of scanning. In this method, the light source 24 is turned on, and the white color of the built-in white reference plate is read. At this time, the interval between the shift pulses is set at t / 10 (at this time, no shutter pulse is applied), which is about 1/10 of the time when reading an original, and the R light receiving element, the G light receiving element, and the B light receiving element
The charge amount of the light receiving element is measured. This light receiving element 2 for R
R, G light-receiving element 2G, the output voltage from the B light-receiving element 2B and _{V R, V G, V B} , to the suitability white reference level V _S.

The time from the shutter pulse to the shift pulse during normal document reading, that is, the effective charge accumulation periods t _R , t _G , and t _B is defined as t _R = V _S / V _R × t / 10 t _G. = and _{V S / V G × t /} 10 t B = V S / V B × t / 10.

Here, t is the repetition time of the shift pulse when reading the original document (the above equation holds because the charge accumulation time and the output voltage are in a proportional relationship).

The electric charges stored in the light receiving elements 2R, 2G, 2B for the respective colors are read out by the shift pulse supplied to the shift gate 6 at one interval per line. When the shift pulse is supplied, the color light receiving elements 2R, 2R,
The charge storage time of each color light receiving element 2R, 2G, 2B is controlled so that an appropriate amount of charge can be extracted from each of 2G, 2B.

That is, assuming that the shift pulse is supplied at time t8 during one line between time t1 and time t8 shown in FIG. As shown in FIG.
An opening / closing control pulse for R is output at time t5 and time t7, and an opening / closing control pulse for G is output at time t4 and time t6 as shown in FIG. 11D, and at time t2 as shown in FIG. To output a B open / close control pulse. The opening / closing control pulse for each color is supplied to the CCD drive circuit 23. The above CCD
The drive circuit 23 generates and outputs an R shutter pulse, a G shutter pulse, and a B shutter pulse according to the opening / closing control pulse for each color. The R shutter pulse is supplied to the R shutter gate 5R via an R shutter pulse input terminal 7R shown in FIG. 1, and the G shutter pulse is supplied to the G shutter pulse via a G shutter pulse input terminal 7G. And supplied to the B shutter gate 5B via the B shutter pulse input terminal 7B.

The shutter gates 5R, 5G,
5B is closed when the shutter pulse for each color is supplied. Thereby, the light receiving element 2 for each color is
The charges accumulated in R, 2G, and 2B are swept away by the shutter drain 3. That is, the electric charges accumulated in the R light receiving element 2R during the period from time t1 to time t3, from time t3 to time t5, and from time t5 to time t7 shown in FIG. It is swept away by the shutter drain 3. Also, at time t1 shown in FIG.
The electric charge accumulated in the G light receiving element 2G from time t4 to time t6 is swept away by the shutter drain 3 from time t4 to time t6. FIG. 3 (e)
The electric charges accumulated in the light receiving element 2B for B during the period from time t1 to time t2 shown in FIG.

Next, the system controller 24
As shown in FIG. 3G, a shift gate opening / closing control pulse is output at time t8. The shift gate opening / closing control pulse is supplied to the CCD drive circuit 23. The above CCD
The drive circuit 23 generates and outputs the shift pulse according to the shift gate opening / closing control pulse. This shift pulse is supplied via a shift pulse input terminal 8 shown in FIG.
The shift gate 6 is supplied to the R shift gate 6R, the G shift gate 6G, and the B shift gate 6B at the same time.
The shift gates for the respective colors simultaneously close when the shift pulse is supplied. As a result, FIG.
The electric charge accumulated in the light receiving element for R 2R between the time t7 and the time t8 shown in FIG.
The electric charges accumulated in the G light receiving element 2G during the time t8 and the electric charges accumulated in the B light receiving element 2B between the time t2 and the time t8 shown in FIG. Time t
The charges shown after 8 are transmitted to the CCD analog register 4.

The charge transmitted to the CCD analog register 4 is horizontally transmitted by a drive clock supplied via a drive clock input terminal 9 during normal imaging, amplified by a buffer 11 with a predetermined gain, and output. 12 is output.

As described above, in the solid-state color imaging device according to the present invention, the light receiving elements for each color are provided with the shutter gates for each color so that they can operate independently. The charge storage time is determined in advance to determine the appropriate charge storage amount, and the light-receiving element for each color is adjusted to the appropriate charge storage amount at the time of supplying the shift pulse for reading the stored charge. By controlling the shutter gate and sweeping out the excess charge, and adjusting the charge accumulation time of the light receiving element for each color, the brightness of the light source, the iris diaphragm, and the light receiving element of each color can be adjusted. It is possible to adjust the white balance without having to adjust the gain of the amplifiers provided respectively.

Further, since the circuit configuration and the assembly process can be simplified, the cost can be reduced.

Next, a description will be given of a second embodiment of the solid-state imaging device according to the present invention. The CCD line sensor 40 which is a solid-state imaging device according to the second embodiment has, for example, a configuration as shown in FIG.

In FIG. 4, the CCD line sensor 40 includes a plurality of R light receiving elements 30R and G light receiving elements 3R.
A light receiving unit 30 formed by providing the 0G and B light receiving elements 30B in series, and a charge transfer unit that transfers and outputs charges accumulated in the light receiving elements for each color of the light receiving unit 30. 1 CCD analog register 3
1 and a second C which is a charge discharging unit for discharging the charges accumulated in the light receiving elements for each color of the light receiving unit 30 respectively.
CD analog register 32 and light receiving element 30 for R
A first shift gate 33 provided between the R, G light receiving elements 30G, B light receiving element 30B and the first CCD analog register 31, the first CCD analog register 31 and the second CCD analog register 32 and a second shift gate 34 provided between the gates 32.

The first shift gate 33 includes a plurality of Rs.
Shift gate 33R, G shift gate 33G and B
R shift gate 33B. The R shift gate 33R is connected to an R shift pulse input terminal 35R to which an R shift pulse for opening and closing the R shift gate 33R is supplied. Shift gate 33G
Is connected to a G shift pulse input terminal 35G to which a G shift pulse for opening and closing the G shift gate 33G is supplied, and the B shift gate 33B is used to open and close the B shift gate 33B. Is connected to the B shift pulse input terminal 35B to which the shift pulse is supplied.

The second shift gate 34 includes a plurality of R shift gates 34R and a G shift gate 34G.
And the B shift gate 34B. The R shift gate 34R is connected to the R shift pulse input terminal 35.
The shift gate 34G for G is connected to the shift pulse input terminal 35G for G, and the shift gate 34B for B is connected to the shift pulse input terminal 35B for B.

In the CCD line sensor 40 having such a configuration, the R shift gates 33R, 34R, G
Shift gates 33G, 34G and shift gate 3 for B
The charges accumulated in the light receiving elements 30R, 30G, and 30B for each color can be discharged to the second CCD analog register 32 for each color component by independently opening and closing the 3B and 34B. Therefore, the effective charge accumulation period of each shift pulse input terminal 35R, 35G, 35B can be adjusted for each color. By adjusting the effective charge accumulation period for each color, the light receiving elements 30R, 30G, and 30B for each color are shifted from the shift gate 33 to the shift gate 33.
The charge amount of each color component read into the first CCD analog register 31 via the R, 33G, and 33B, that is, the signal level of the imaging output can be adjusted.

For example, when the CCD line sensor 40 of the second embodiment is used in the solid-state color imaging device shown in FIG. 2, the time t10 shown in FIG. 5 is the start time of the field, and the time shown in FIG. The time t23 is the field end time, and the appropriate charge accumulation time of the R light receiving element 30R is shown in FIG.
And the appropriate charge accumulation time of the light receiving element for G 30G is between time t20 and time t23 shown in FIG. 3D, and the appropriate charge of the light receiving element 30B for B is shown in FIG. The accumulation time is the time t shown in FIG.
Assuming that the time period is from 16 to time t23, as shown in FIG.
The charge accumulated in the R light receiving element 30R from 10 to t22, from time t10 to time t19 shown in FIG.
Until then, the charge accumulated in the G light receiving element 30G and the charge accumulated in the B light receiving element 30B from time t10 to time t19 shown in FIG.

That is, the system controller 24
Outputs two R shift pulses consecutively at time t11 and time t12. The R shift pulse is supplied to the R shift gate 33R of the first shift gate 33 and the R shift gate 34R of the second shift gate 34 via the R shift pulse input terminal 35R shown in FIG. . The R shift gate 33R closes the gate with the R shift pulse supplied at the time t11 (at this time, the R shift gate 34R also closes). As a result, the charge (R charge) accumulated in the R light receiving element 30R of the light receiving section 30 is transferred to the first CCD.
The data is transferred to the analog register 31. This first CCD
The R charge transferred to the analog register 31 is closed by the R shift gate 34R with the R shift pulse supplied at the time t12 (the R shift gate 34R is also closed at this time). The data is transferred to the second CCD analog register 32. The second CCD analog register 32 is provided for discharging extra charges, and is provided at the time t10 to the time t10.
The extra R charge accumulated up to 11
It is discharged via a discharged charge output terminal 36 connected to the CD analog register 32.

Next, the system controller 24
As shown in FIG. 5D, two G shift pulses are output continuously at time t13 and time t14. The G shift pulse is supplied to the G shift pulse input terminal 35 shown in FIG.
The signal is supplied to the G shift gate 33G of the first shift gate 33 and the G shift gate 34G of the second shift gate 34 via G. The G shift gate 33G includes:
The gate is closed by the first G shift pulse supplied at time t13 (at this time, the G shift gate 34G is also closed). Thereby, the light receiving unit 3
The electric charge (G electric charge) accumulated in the 0 G light receiving element 30G is transferred to the first CCD analog register 31.
The G transferred to the first CCD analog register 31
The electric charge closes the G shift gate 34RG gate with the second G shift pulse supplied at the time t14 (the G shift gate 34G is also closed at this time), and thereby the second CCD. The data is transferred to the analog register 32 and discharged through the discharged charge output terminal 36.

Thus, the above-mentioned time t10 to time t13
Unnecessary G charges accumulated during the period can be discharged.

Next, the system controller 24
As shown in FIG. 5F, two shift pulses for B are output continuously at time t15 and time t16. The B shift pulse is supplied to the B shift pulse input terminal 35 shown in FIG.
The signal is supplied to the B shift gate 33B of the first shift gate 33 and the B shift gate 34B of the second shift gate 34 via B. The B shift gate 33B includes:
The gate is closed by the first B shift pulse supplied at the time t15 (at this time, the B shift gate 34B is also closed). Thereby, the light receiving unit 3
The charge (B charge) stored in the 0 B light receiving element 30B is transferred to the first CCD analog register 31.
B transferred to the first CCD analog register 31
The second charge pulse supplied to the second shift pulse supplied at time t16 causes the B shift gate 34B to close the gate (at this time, the B shift gate 34B also closes), thereby causing the second charge. The data is transferred to the CCD analog register 32 and discharged through the discharged charge output terminal 36.

As a result, the above-mentioned time t10 to time t15
Unnecessary B charges accumulated during the period can be discharged.

Next, the system controller 24
As shown in FIG. 5B, two B shift pulses are output continuously at time t17 and time t18. These two shots of B
The shift pulse for B is supplied to the shift gates for B 33B and B via the shift pulse input terminal for B 35B as described above.
Is continuously supplied to the shift gate 34B. As a result, the R charges accumulated between time t12 and time t17 shown in FIG. 9A are discharged through the discharged charge output terminal 36.

Next, the system controller 24
As shown in FIG. 5D, two G shift pulses are output continuously at time t19 and time t20. These two Gs
The shift pulse for G is supplied to the G shift gates 33G and G via the G shift pulse input terminal 35G as described above.
Is continuously supplied to the shift gate 34G. As a result, the G charges accumulated between time t14 and time t19 shown in FIG. 9C are discharged through the discharged charge output terminal 36.

Next, the system controller 24
As shown in FIG. 5B, two R shift pulses are output continuously at time t21 and time t22. These two R
The shift pulse for R is supplied to the R shift gates 33R and R via the R shift pulse input terminal 35R as described above.
Are continuously supplied to the shift gate 34R. As a result, the R charges accumulated between the time t18 and the time t21 shown in FIG. 11A are discharged through the discharged charge output terminal 36.

Next, the system controller 24
As shown in FIGS. 5B, 5D, and 5F, at time t23, the R shift pulse, the G shift pulse, and the B shift pulse are simultaneously output one by one. The R shift pulse, the G shift pulse, and the B shift pulse correspond to the R shift pulse input terminal 35R, the G shift pulse input terminal 35G, and the B shift pulse input terminal 35, respectively.
The signal is supplied to the R shift gate 33R, the G shift gate 33G, and the B shift gate 33B via B (the R shift gate 34R, the G shift gate 34G, and the B shift gate 34B). Is also supplied.

Thus, the R shift gate 33
R, G shift gate 33G, B shift gate 33B
Are closed at the same time. (Note that the R shift gate 34R,
The G shift gate 34G and the B shift gate 34B are also closed. 5) R charge accumulated between time t22 and time t23 shown in FIG. 5A, G charge accumulated between time t20 and time t23 shown in FIG. 5C, and FIG. The B charges accumulated between time t16 and time t23 are transferred to the first CCD analog register 31, respectively, and are respectively transmitted via the data output terminal 37 as shown after time t23 in FIG. Is output.

As described above, the solid-state color imaging device according to the second embodiment of the present invention includes the light receiving section 30 and the first CC.
A first shift gate 33 is provided between the D analog register 31 and the first shift gate 33 that can independently transfer the charge of each color light receiving element 30R, 30G, 30B of the light receiving section 30. Between the second CCD analog register 32 and each color light receiving element 30R, 30G,
By providing the second shift gate 34 capable of independently transferring the electric charge of 30B, the unnecessary electric charge is first charged for each electric charge from the light receiving elements 30R, 30G, and 30B for each color.
Can be discharged to the second CCD analog register 32 through the CCD analog register 31, and the charge accumulation time of the light receiving element for each color can be adjusted.
The white balance can be adjusted without the need to adjust the brightness of the light source, adjust the iris diaphragm, and adjust the gain of the amplifiers provided for the light receiving elements of each color.

The present invention can be applied to a solid-state color imaging device used for a two-dimensional image sensor as long as it captures a still image.

[0047]

According to the solid-state color imaging device of the present invention,
The charge accumulated in the light receiving element for each color can be discharged to the charge discharging section for each color component via a shutter gate provided between the light receiving element for each color of the light receiving section and the charge discharging section, so that it can be easily performed. Thus, the electric charge output from the light receiving element for each color can be adjusted to be constant.

In the solid-state color imaging device according to the present invention, the driving means drives the solid-state color imaging device to control the effective charge accumulation period of each color light-receiving element of the light-receiving section of the solid-state color imaging device for each color. Since the charge accumulated in the light receiving element for each color during the effective charge accumulation period can be output from the light receiving element for each color via the charge transfer unit, a variable gain amplifier or the like can be used for the light receiving element for each color. , The same level of output can be obtained from the light receiving element for each color, and the white balance can be easily adjusted.

[Brief description of the drawings]

FIG. 1 is a schematic diagram of a solid-state color imaging device according to a first embodiment of the present invention.

FIG. 2 is a block diagram of a solid-state color imaging device according to the present invention.

FIG. 3 is a time chart for explaining the operation of the solid-state color imaging device.

FIG. 4 is a schematic view of a solid-state color imaging device according to a second embodiment of the present invention.

FIG. 5 is a time chart for explaining an operation of the solid-state imaging device according to the second embodiment of the present invention;

[Explanation of symbols]

 1 CCD image sensor 2 Light receiving unit 2R, 2G, 2B Light receiving element 3 Shutter drain 4 CCD analog register 5 Shutter gate 6 Shift gate 7R R shutter pulse input terminal 7G... G shutter pulse input terminal 7B... B shutter pulse input terminal 8... Pulse input terminal 9 Drive clock input terminal 22 Clock driver 23 System controller 30 ..Light receiving sections 30R, 30G, and 30B light receiving elements 31 First CCD Analog register 32... Second CCD analog register 33... First shift gate 34... Second shift gate 35R. ... R shift pulse input terminal 35G... G shift pulse input terminal 35B... B shift pulse input terminal 40. ... CCD line sensors

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H04N 1/028-1/031 H04N 1/04-1/207 H04N 9/07-9/083

Claims (2)

(57) [Claims] 1. A light receiving section having a plurality of red light receiving elements, a green light receiving element, and a blue light receiving element for accumulating electric charges corresponding to the received imaging light, and a light receiving section for each color of the light receiving section. A charge discharging unit for discharging charged electric charges, a shutter gate provided between the light receiving element for each color of the light receiving unit and the charge discharging unit and independently controlled in opening and closing, and a light receiving unit for each color of the light receiving unit A charge transfer unit for transferring and outputting the charge stored in each element, and discharging the charge of each color component stored in the light receiving element for each color of the light receiving unit through the shutter gate for each of the charge components. A solid-state color image pickup device, wherein the solid-state color image pickup device discharges the image to a part. 2. A light receiving section having a plurality of red light receiving elements, a green light receiving element, and a blue light receiving element for accumulating electric charges corresponding to the received image pickup light, and the light receiving sections for respective colors of the light receiving section are respectively stored. A charge discharging unit for discharging the charged electric charge, a shutter gate provided between the light receiving element for each color of the light receiving unit and the charge discharging unit and independently controlled to open and close, and a light receiving unit for each color of the light receiving unit A solid-state color imaging device having a charge transfer unit that transfers and outputs the charge accumulated in each of the devices; and by controlling opening and closing of a shutter gate of the solid-state color imaging device, a light-receiving element for each color of the light-receiving unit. Driving means for controlling the effective charge accumulation period for each color and outputting the charges accumulated in the light receiving elements for each color through the charge transfer section during the effective charge accumulation period. Solid color imaging apparatus according to claim Rukoto.